Subtract 4/63 from 42/12
1st number: 3 6/12, 2nd number: 4/63
42/12 - 4/63 is 433/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
42/12 = 42 × 21/12 × 21 = 882/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
4/63 = 4 × 4/63 × 4 = 16/252 - Subtract the two like fractions:
882/252 - 16/252 = 882 - 16/252 = 866/252 - After reducing the fraction, the answer is 433/126
- In mixed form: 355/126
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