Subtract 7/8 from 5/2
1st number: 2 1/2, 2nd number: 7/8
52 - 78 is 138.
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,
52 = 5 × 42 × 4 = 208 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
78 = 7 × 18 × 1 = 78 - Subtract the two like fractions:
208 - 78 = 20 - 78 = 138 - In mixed form: 158
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