Subtract 45/48 from 20/75
20/75 - 45/48 is -161/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
20/75 = 20 × 16/75 × 16 = 320/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
45/48 = 45 × 25/48 × 25 = 1125/1200 - Subtract the two like fractions:
320/1200 - 1125/1200 = 320 - 1125/1200 = -805/1200 - After reducing the fraction, the answer is -161/240
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