Subtract 21/12 from 98/28, Solve 3 14/28

Subtract 21/12 from 98/28

1^st number: 3 14/28, 2^nd number: 1 9/12

98/28 - 21/12 is 7/4.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
98/28 = 98 × 3/28 × 3 = 294/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
21/12 = 21 × 7/12 × 7 = 147/84
Subtract the two like fractions:
294/84 - 147/84 = 294 - 147/84 = 147/84
After reducing the fraction, the answer is 7/4
In mixed form: 13/4

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