Subtract 25/27 from 12/16
12/16 - 25/27 is -19/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
12/16 = 12 × 27/16 × 27 = 324/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
25/27 = 25 × 16/27 × 16 = 400/432 - Subtract the two like fractions:
324/432 - 400/432 = 324 - 400/432 = -76/432 - After reducing the fraction, the answer is -19/108
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