Subtract 25/32 from 21/75
21/75 - 25/32 is -401/800.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 32 is 2400
Next, find the equivalent fraction of both fractional numbers with denominator 2400 - For the 1st fraction, since 75 × 32 = 2400,
21/75 = 21 × 32/75 × 32 = 672/2400 - Likewise, for the 2nd fraction, since 32 × 75 = 2400,
25/32 = 25 × 75/32 × 75 = 1875/2400 - Subtract the two like fractions:
672/2400 - 1875/2400 = 672 - 1875/2400 = -1203/2400 - After reducing the fraction, the answer is -401/800
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