Subtract 81/63 from 4/10
1st number: 4/10, 2nd number: 1 18/63
4/10 - 81/63 is -31/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
4/10 = 4 × 63/10 × 63 = 252/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
81/63 = 81 × 10/63 × 10 = 810/630 - Subtract the two like fractions:
252/630 - 810/630 = 252 - 810/630 = -558/630 - After reducing the fraction, the answer is -31/35
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