Subtract 18/32 from 20/50
20/50 - 18/32 is -13/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 32 is 800
Next, find the equivalent fraction of both fractional numbers with denominator 800 - For the 1st fraction, since 50 × 16 = 800,
20/50 = 20 × 16/50 × 16 = 320/800 - Likewise, for the 2nd fraction, since 32 × 25 = 800,
18/32 = 18 × 25/32 × 25 = 450/800 - Subtract the two like fractions:
320/800 - 450/800 = 320 - 450/800 = -130/800 - After reducing the fraction, the answer is -13/80
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