Subtract 5/56 from 81/4
1st number: 20 1/4, 2nd number: 5/56
81/4 - 5/56 is 1129/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
81/4 = 81 × 14/4 × 14 = 1134/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
5/56 = 5 × 1/56 × 1 = 5/56 - Subtract the two like fractions:
1134/56 - 5/56 = 1134 - 5/56 = 1129/56 - In mixed form: 209/56
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