Subtract 15/27 from 18/4
1st number: 4 2/4, 2nd number: 15/27
18/4 - 15/27 is 71/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
18/4 = 18 × 27/4 × 27 = 486/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
15/27 = 15 × 4/27 × 4 = 60/108 - Subtract the two like fractions:
486/108 - 60/108 = 486 - 60/108 = 426/108 - After reducing the fraction, the answer is 71/18
- In mixed form: 317/18
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