Subtract 30/27 from 18/36
1st number: 18/36, 2nd number: 1 3/27
18/36 - 30/27 is -11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
18/36 = 18 × 3/36 × 3 = 54/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108 - Subtract the two like fractions:
54/108 - 120/108 = 54 - 120/108 = -66/108 - After reducing the fraction, the answer is -11/18
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