Subtract 21/16 from 25/27
1st number: 25/27, 2nd number: 1 5/16
25/27 - 21/16 is -167/432.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 27 × 16 = 432,
25/27 = 25 × 16/27 × 16 = 400/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
21/16 = 21 × 27/16 × 27 = 567/432 - Subtract the two like fractions:
400/432 - 567/432 = 400 - 567/432 = -167/432
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