Subtract 15/32 from 21/50
21/50 - 15/32 is -39/800.
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,
21/50 = 21 × 16/50 × 16 = 336/800 - Likewise, for the 2nd fraction, since 32 × 25 = 800,
15/32 = 15 × 25/32 × 25 = 375/800 - Subtract the two like fractions:
336/800 - 375/800 = 336 - 375/800 = -39/800
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