Subtract 42/63 from 81/6
1st number: 13 3/6, 2nd number: 42/63
81/6 - 42/63 is 77/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
81/6 = 81 × 21/6 × 21 = 1701/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Subtract the two like fractions:
1701/126 - 84/126 = 1701 - 84/126 = 1617/126 - After reducing the fraction, the answer is 77/6
- In mixed form: 125/6
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