Subtract 28/16 from 21/25
1st number: 21/25, 2nd number: 1 12/16
21/25 - 28/16 is -91/100.
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,
21/25 = 21 × 16/25 × 16 = 336/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
28/16 = 28 × 25/16 × 25 = 700/400 - Subtract the two like fractions:
336/400 - 700/400 = 336 - 700/400 = -364/400 - After reducing the fraction, the answer is -91/100
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