Subtract 4/72 from 8/7
1st number: 1 1/7, 2nd number: 4/72
8/7 - 4/72 is 137/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
8/7 = 8 × 72/7 × 72 = 576/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Subtract the two like fractions:
576/504 - 28/504 = 576 - 28/504 = 548/504 - After reducing the fraction, the answer is 137/126
- In mixed form: 111/126
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