Subtract 25/30 from 3/63, Solve 3/63

Subtract 25/30 from 3/63

3/63 - 25/30 is -11/14.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
3/63 = 3 × 10/63 × 10 = 30/630
Likewise, for the 2nd fraction, since 30 × 21 = 630,
25/30 = 25 × 21/30 × 21 = 525/630
Subtract the two like fractions:
30/630 - 525/630 = 30 - 525/630 = -495/630
After reducing the fraction, the answer is -11/14

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