Subtract 42/16 from 15/27
1st number: 15/27, 2nd number: 2 10/16
15/27 - 42/16 is -149/72.
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,
15/27 = 15 × 16/27 × 16 = 240/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
42/16 = 42 × 27/16 × 27 = 1134/432 - Subtract the two like fractions:
240/432 - 1134/432 = 240 - 1134/432 = -894/432 - After reducing the fraction, the answer is -149/72
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