Subtract 1/4 from 81/63
1st number: 1 18/63, 2nd number: 1/4
81/63 - 1/4 is 29/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
1/4 = 1 × 63/4 × 63 = 63/252 - Subtract the two like fractions:
324/252 - 63/252 = 324 - 63/252 = 261/252 - After reducing the fraction, the answer is 29/28
- In mixed form: 11/28
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