Subtract 81/27 from 12/10
1st number: 1 2/10, 2nd number: 3 0/27
12/10 - 81/27 is -9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
12/10 = 12 × 27/10 × 27 = 324/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
81/27 = 81 × 10/27 × 10 = 810/270 - Subtract the two like fractions:
324/270 - 810/270 = 324 - 810/270 = -486/270 - After reducing the fraction, the answer is -9/5
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