Subtract 1/7 from 28/12, Solve 2 4/12

Subtract 1/7 from 28/12

1^st number: 2 4/12, 2^nd number: 1/7

28/12 - 1/7 is 46/21.

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,
28/12 = 28 × 7/12 × 7 = 196/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
1/7 = 1 × 12/7 × 12 = 12/84
Subtract the two like fractions:
196/84 - 12/84 = 196 - 12/84 = 184/84
After reducing the fraction, the answer is 46/21
In mixed form: 24/21

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