Subtract 3/7 from 72/6
1st number: 12 0/6, 2nd number: 3/7
72/6 - 3/7 is 81/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
72/6 = 72 × 7/6 × 7 = 504/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
3/7 = 3 × 6/7 × 6 = 18/42 - Subtract the two like fractions:
504/42 - 18/42 = 504 - 18/42 = 486/42 - After reducing the fraction, the answer is 81/7
- In mixed form: 114/7
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