Subtract 45/40 from 45/56
1st number: 45/56, 2nd number: 1 5/40
45/56 - 45/40 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Subtract the two like fractions:
225/280 - 315/280 = 225 - 315/280 = -90/280 - After reducing the fraction, the answer is -9/28
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