Subtract 21/16 from 20/25
1st number: 20/25, 2nd number: 1 5/16
20/25 - 21/16 is -41/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
20/25 = 20 × 16/25 × 16 = 320/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Subtract the two like fractions:
320/400 - 525/400 = 320 - 525/400 = -205/400 - After reducing the fraction, the answer is -41/80
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