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MathTest Cartier
Multiplying and Dividing Fractions
Question | Answer |
---|---|
Product of 4 and 2/9 | Numerater*Numerator/Denominator*Denominator 4*2 = 8/9 |
Product of 2/7 and 21 | Numerater*Numerator/Denominator*Denominator 2*21 = 42/21 SIMPIFIED....final answer is 2 |
Product of 4/7 and 4/5 | Numerater*Numerator/ Denominator*Denominator 4*4 = 16 / 7*5 = 35 final answer is 16/35 |
Product of 6 and 4/9 | Numerater*Numerator/Denominator*Denominator 6*4 = 24/9 SIMPLIFIED (improper fraction)...=2 6/9 SIMPLIFIED final answer is 2 2/3 |
Reciprocal | To find the reciprocal of a fraction, just switch the numerator and the denominator; it’s like flipping the fraction. |
What is the reciprocal of 7/9? | 9/7 |
What is the reciprocal of 5/6? | 6/5 |
What is the reciprocal of 5? | 1/5 |
What is the reciprocal of 1 3/4 | 1st change mixed # to an improper fraction THEN flip. 4*1 = 4 + 3 = 7/4 SO 4/7 is the reciprocal of 1 3/4 |