Subtract 90/75 from 45/56
1st number: 45/56, 2nd number: 1 15/75
45/56 - 90/75 is -111/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 75 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 56 × 75 = 4200,
45/56 = 45 × 75/56 × 75 = 3375/4200 - Likewise, for the 2nd fraction, since 75 × 56 = 4200,
90/75 = 90 × 56/75 × 56 = 5040/4200 - Subtract the two like fractions:
3375/4200 - 5040/4200 = 3375 - 5040/4200 = -1665/4200 - After reducing the fraction, the answer is -111/280
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Related: 90/56-90/75