Subtract 42/27 from 12/24
1st number: 12/24, 2nd number: 1 15/27
12/24 - 42/27 is -19/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
12/24 = 12 × 9/24 × 9 = 108/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
42/27 = 42 × 8/27 × 8 = 336/216 - Subtract the two like fractions:
108/216 - 336/216 = 108 - 336/216 = -228/216 - After reducing the fraction, the answer is -19/18
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