Subtract 12/8 from 45/54
1st number: 45/54, 2nd number: 1 4/8
45/54 - 12/8 is -2/3.
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,
45/54 = 45 × 4/54 × 4 = 180/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
12/8 = 12 × 27/8 × 27 = 324/216 - Subtract the two like fractions:
180/216 - 324/216 = 180 - 324/216 = -144/216 - After reducing the fraction, the answer is -2/3
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