Subtract 42/63 from 84/42
1st number: 2 0/42, 2nd number: 42/63
84/42 - 42/63 is 4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
84/42 = 84 × 3/42 × 3 = 252/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Subtract the two like fractions:
252/126 - 84/126 = 252 - 84/126 = 168/126 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
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Related: 84/42-84/63