Subtract 81/8 from 45/2
1st number: 22 1/2, 2nd number: 10 1/8
45/2 - 81/8 is 99/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
45/2 = 45 × 4/2 × 4 = 180/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
81/8 = 81 × 1/8 × 1 = 81/8 - Subtract the two like fractions:
180/8 - 81/8 = 180 - 81/8 = 99/8 - In mixed form: 123/8
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