Subtract 30/25 from 7/63, Solve 7/63

Subtract 30/25 from 7/63

1^st number: 7/63, 2^nd number: 1 5/25

7/63 - 30/25 is -49/45.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 25 is 1575

Next, find the equivalent fraction of both fractional numbers with denominator 1575
For the 1st fraction, since 63 × 25 = 1575,
7/63 = 7 × 25/63 × 25 = 175/1575
Likewise, for the 2nd fraction, since 25 × 63 = 1575,
30/25 = 30 × 63/25 × 63 = 1890/1575
Subtract the two like fractions:
175/1575 - 1890/1575 = 175 - 1890/1575 = -1715/1575
After reducing the fraction, the answer is -49/45

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