Subtract 15/63 from 49/28, Solve 1 21/28

Subtract 15/63 from 49/28

1^st number: 1 21/28, 2^nd number: 15/63

49/28 - 15/63 is 127/84.

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,
49/28 = 49 × 9/28 × 9 = 441/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252
Subtract the two like fractions:
441/252 - 60/252 = 441 - 60/252 = 381/252
After reducing the fraction, the answer is 127/84
In mixed form: 143/84

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