Subtract 49/4 from 7/63, Solve 7/63

Subtract 49/4 from 7/63

1^st number: 7/63, 2^nd number: 12 1/4

7/63 - 49/4 is -437/36.

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,
7/63 = 7 × 4/63 × 4 = 28/252
Likewise, for the 2nd fraction, since 4 × 63 = 252,
49/4 = 49 × 63/4 × 63 = 3087/252
Subtract the two like fractions:
28/252 - 3087/252 = 28 - 3087/252 = -3059/252
After reducing the fraction, the answer is -437/36

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