Subtract 4/24 from 81/7
1st number: 11 4/7, 2nd number: 4/24
81/7 - 4/24 is 479/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
81/7 = 81 × 24/7 × 24 = 1944/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
4/24 = 4 × 7/24 × 7 = 28/168 - Subtract the two like fractions:
1944/168 - 28/168 = 1944 - 28/168 = 1916/168 - After reducing the fraction, the answer is 479/42
- In mixed form: 1117/42
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