Subtract 15/16 from 20/50
20/50 - 15/16 is -43/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
20/50 = 20 × 8/50 × 8 = 160/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
15/16 = 15 × 25/16 × 25 = 375/400 - Subtract the two like fractions:
160/400 - 375/400 = 160 - 375/400 = -215/400 - After reducing the fraction, the answer is -43/80
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