Subtract 10/8 from 42/63
1st number: 42/63, 2nd number: 1 2/8
42/63 - 10/8 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
42/63 = 42 × 8/63 × 8 = 336/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
10/8 = 10 × 63/8 × 63 = 630/504 - Subtract the two like fractions:
336/504 - 630/504 = 336 - 630/504 = -294/504 - After reducing the fraction, the answer is -7/12
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