Subtract 30/12 from 7/27
1st number: 7/27, 2nd number: 2 6/12
7/27 - 30/12 is -121/54.
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,
7/27 = 7 × 4/27 × 4 = 28/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
30/12 = 30 × 9/12 × 9 = 270/108 - Subtract the two like fractions:
28/108 - 270/108 = 28 - 270/108 = -242/108 - After reducing the fraction, the answer is -121/54
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