Subtract 45/48 from 8/20
8/20 - 45/48 is -43/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
8/20 = 8 × 12/20 × 12 = 96/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
45/48 = 45 × 5/48 × 5 = 225/240 - Subtract the two like fractions:
96/240 - 225/240 = 96 - 225/240 = -129/240 - After reducing the fraction, the answer is -43/80
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