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Subtract Fractions
Question | Answer |
---|---|
What is the first step in subtracting fractions with unlike denominators? | Find the LCD |
What is the LCD of 3 and 5? | 15 |
What do I do if the numerator in the first fraction is less than the numerator in the second fraction? | I have to borrow from the whole number. |
2 3/5 - 4/5 = | 1 3/5 |
4 2/10 - 1 2/5 = | 2 4/5 |
Step 1: | Find the LCD |
Step 2: | Get new numerators |
Step 3: | Borrow one from the whole number |
Step 4: | Add the borrowed one to the fraction |
Step 5: | Subtract numerators |
Step 6: | Bring down the denominator |
Step 7: | Subtract whole numbers |
Step 8: | Simplify |