Subtract 20/56 from 81/2
1st number: 40 1/2, 2nd number: 20/56
81/2 - 20/56 is 281/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
81/2 = 81 × 28/2 × 28 = 2268/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Subtract the two like fractions:
2268/56 - 20/56 = 2268 - 20/56 = 2248/56 - After reducing the fraction, the answer is 281/7
- In mixed form: 401/7
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