Subtract 30/12 from 28/27
1st number: 1 1/27, 2nd number: 2 6/12
28/27 - 30/12 is -79/54.
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,
28/27 = 28 × 4/27 × 4 = 112/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
30/12 = 30 × 9/12 × 9 = 270/108 - Subtract the two like fractions:
112/108 - 270/108 = 112 - 270/108 = -158/108 - After reducing the fraction, the answer is -79/54
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