Subtract 81/56 from 42/2
1st number: 21 0/2, 2nd number: 1 25/56
42/2 - 81/56 is 1095/56.
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,
42/2 = 42 × 28/2 × 28 = 1176/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
81/56 = 81 × 1/56 × 1 = 81/56 - Subtract the two like fractions:
1176/56 - 81/56 = 1176 - 81/56 = 1095/56 - In mixed form: 1931/56
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