Subtract 42/56 from 9/75
9/75 - 42/56 is -63/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
9/75 = 9 × 56/75 × 56 = 504/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
42/56 = 42 × 75/56 × 75 = 3150/4200 - Subtract the two like fractions:
504/4200 - 3150/4200 = 504 - 3150/4200 = -2646/4200 - After reducing the fraction, the answer is -63/100
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