Subtract 90/75 from 45/48
1st number: 45/48, 2nd number: 1 15/75
45/48 - 90/75 is -21/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 48 × 25 = 1200,
45/48 = 45 × 25/48 × 25 = 1125/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
90/75 = 90 × 16/75 × 16 = 1440/1200 - Subtract the two like fractions:
1125/1200 - 1440/1200 = 1125 - 1440/1200 = -315/1200 - After reducing the fraction, the answer is -21/80
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