Subtract 40/56 from 75/42
1st number: 1 33/42, 2nd number: 40/56
75/42 - 40/56 is 15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
75/42 = 75 × 4/42 × 4 = 300/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
40/56 = 40 × 3/56 × 3 = 120/168 - Subtract the two like fractions:
300/168 - 120/168 = 300 - 120/168 = 180/168 - After reducing the fraction, the answer is 15/14
- In mixed form: 11/14
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