Subtract 42/8 from 12/54
1st number: 12/54, 2nd number: 5 2/8
12/54 - 42/8 is -181/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
12/54 = 12 × 4/54 × 4 = 48/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
42/8 = 42 × 27/8 × 27 = 1134/216 - Subtract the two like fractions:
48/216 - 1134/216 = 48 - 1134/216 = -1086/216 - After reducing the fraction, the answer is -181/36
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