Subtract 25/30 from 10/63
10/63 - 25/30 is -85/126.
Steps for subtracting fractions
- 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,
10/63 = 10 × 10/63 × 10 = 100/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
25/30 = 25 × 21/30 × 21 = 525/630 - Subtract the two like fractions:
100/630 - 525/630 = 100 - 525/630 = -425/630 - After reducing the fraction, the answer is -85/126
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