Subtract 1/42 from 56/72
56/72 - 1/42 is 95/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
56/72 = 56 × 7/72 × 7 = 392/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
1/42 = 1 × 12/42 × 12 = 12/504 - Subtract the two like fractions:
392/504 - 12/504 = 392 - 12/504 = 380/504 - After reducing the fraction, the answer is 95/126
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