Subtract 21/32 from 42/27
1st number: 1 15/27, 2nd number: 21/32
42/27 - 21/32 is 259/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 32 is 864
Next, find the equivalent fraction of both fractional numbers with denominator 864 - For the 1st fraction, since 27 × 32 = 864,
42/27 = 42 × 32/27 × 32 = 1344/864 - Likewise, for the 2nd fraction, since 32 × 27 = 864,
21/32 = 21 × 27/32 × 27 = 567/864 - Subtract the two like fractions:
1344/864 - 567/864 = 1344 - 567/864 = 777/864 - After reducing the fraction, the answer is 259/288
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