Subtract 10/4 from 28/63, Solve 28/63

Subtract 10/4 from 28/63

1^st number: 28/63, 2^nd number: 2 2/4

28/63 - 10/4 is -37/18.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252
Likewise, for the 2nd fraction, since 4 × 63 = 252,
10/4 = 10 × 63/4 × 63 = 630/252
Subtract the two like fractions:
112/252 - 630/252 = 112 - 630/252 = -518/252
After reducing the fraction, the answer is -37/18

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