Subtract 20/7 from 75/12, Solve 6 3/12

Subtract 20/7 from 75/12

1^st number: 6 3/12, 2^nd number: 2 6/7

75/12 - 20/7 is 95/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
75/12 = 75 × 7/12 × 7 = 525/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
20/7 = 20 × 12/7 × 12 = 240/84
Subtract the two like fractions:
525/84 - 240/84 = 525 - 240/84 = 285/84
After reducing the fraction, the answer is 95/28
In mixed form: 311/28

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