Subtract 18/5 from 3/27
1st number: 3/27, 2nd number: 3 3/5
3/27 - 18/5 is -157/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
3/27 = 3 × 5/27 × 5 = 15/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
18/5 = 18 × 27/5 × 27 = 486/135 - Subtract the two like fractions:
15/135 - 486/135 = 15 - 486/135 = -471/135 - After reducing the fraction, the answer is -157/45
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