Subtract 15/63 from 98/28, Solve 3 14/28

Subtract 15/63 from 98/28

1^st number: 3 14/28, 2^nd number: 15/63

98/28 - 15/63 is 137/42.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
98/28 = 98 × 9/28 × 9 = 882/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252
Subtract the two like fractions:
882/252 - 60/252 = 882 - 60/252 = 822/252
After reducing the fraction, the answer is 137/42
In mixed form: 311/42

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