Subtract like and unlike fractions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 1. 7/8 - 5/8 = _______ | 2/8 or 1/4 (simplest form)
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| 2. 9/12 - 3/12 = _______ | 6/12 or 1/2 (simplest form)
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| 3. 6/7 - 2/3 = ________ | 4/21
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| 4. 5/6 - 2/4 = ______ | 4/12 or 1/3 (simplest form)
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| 5. 8/9 - 2/4 = _____ | 14/36 or 7/18 (simplest form)
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| 6. 7/10 - 3/6 = _____ | 6/30 or 1/5 (simplest form)
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| 7. 3/4 - 2/8 = _____ | 4/8 or 1/2 (simplest form)
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| 8. There was 3/4 of a pad of paper on the counter. Greta used 3/5 of the pad to write thank you letters. What fraction of the pad of paper is left? | She has 3/20 of the pad of paper left.
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| 9. Sally has a piece of paper that is 11/12 inch long. She cuts 1/4 inch off. How long is the paper now? | Sally has 8/12 inch left, or 2/3 inch left (simplest form)
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| 10. Speedy Snail walked 4/9 of a meter. Super Snail walked 7/12. How much more did Super Snail walk than Speedy Snail? | Super Snail walked 8/36 more of a meter, or 2/9 meter more. (Simplest form)
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| 11. Sandra and Cassidy went to Sandra’s house after school. They found a blueberry pie in the fridge. Sandra ate 8/12 of the pie and Cassidy ate 4/8 of the pie. How much more pie did Sandra eat than Cassidy? Show your work and explain your answer. | Sandra ate 4/24 more pie, or 1/6 more pie than Cassidy. (Use checklist and sample answer to check the written response)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
HarrTeacher
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