Subtract 5/81 from 72/28
1st number: 2 16/28, 2nd number: 5/81
72/28 - 5/81 is 1423/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
72/28 = 72 × 81/28 × 81 = 5832/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
5/81 = 5 × 28/81 × 28 = 140/2268 - Subtract the two like fractions:
5832/2268 - 140/2268 = 5832 - 140/2268 = 5692/2268 - After reducing the fraction, the answer is 1423/567
- In mixed form: 2289/567
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