Subtract 81/8 from 25/2
1st number: 12 1/2, 2nd number: 10 1/8
25/2 - 81/8 is 19/8.
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,
25/2 = 25 × 4/2 × 4 = 100/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
81/8 = 81 × 1/8 × 1 = 81/8 - Subtract the two like fractions:
100/8 - 81/8 = 100 - 81/8 = 19/8 - In mixed form: 23/8
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