Subtract 7/16 from 21/25
21/25 - 7/16 is 161/400.
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,
7/16 = 7 × 25/16 × 25 = 175/400 - Subtract the two like fractions:
336/400 - 175/400 = 336 - 175/400 = 161/400
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