Subtract 12/8 from 20/27
1st number: 20/27, 2nd number: 1 4/8
20/27 - 12/8 is -41/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
12/8 = 12 × 27/8 × 27 = 324/216 - Subtract the two like fractions:
160/216 - 324/216 = 160 - 324/216 = -164/216 - After reducing the fraction, the answer is -41/54
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