Subtract 15/8 from 45/60
1st number: 45/60, 2nd number: 1 7/8
45/60 - 15/8 is -9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
45/60 = 45 × 2/60 × 2 = 90/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
15/8 = 15 × 15/8 × 15 = 225/120 - Subtract the two like fractions:
90/120 - 225/120 = 90 - 225/120 = -135/120 - After reducing the fraction, the answer is -9/8
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