Subtract 9/28 from 81/2
1st number: 40 1/2, 2nd number: 9/28
81/2 - 9/28 is 1125/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
81/2 = 81 × 14/2 × 14 = 1134/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
9/28 = 9 × 1/28 × 1 = 9/28 - Subtract the two like fractions:
1134/28 - 9/28 = 1134 - 9/28 = 1125/28 - In mixed form: 405/28
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