Subtract 12/72 from 10/7
1st number: 1 3/7, 2nd number: 12/72
10/7 - 12/72 is 53/42.
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,
10/7 = 10 × 72/7 × 72 = 720/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504 - Subtract the two like fractions:
720/504 - 84/504 = 720 - 84/504 = 636/504 - After reducing the fraction, the answer is 53/42
- In mixed form: 111/42
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