Subtract 45/12 from 40/27
1st number: 1 13/27, 2nd number: 3 9/12
40/27 - 45/12 is -245/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
40/27 = 40 × 4/27 × 4 = 160/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
45/12 = 45 × 9/12 × 9 = 405/108 - Subtract the two like fractions:
160/108 - 405/108 = 160 - 405/108 = -245/108
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