Subtract 90/50 from 45/48
1st number: 45/48, 2nd number: 1 40/50
45/48 - 90/50 is -69/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 50 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 50 × 24 = 1200,
90/50 = 90 × 24/50 × 24 = 2160/1200 - Subtract the two like fractions:
1125/1200 - 2160/1200 = 1125 - 2160/1200 = -1035/1200 - After reducing the fraction, the answer is -69/80
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