Subtract 30/27 from 12/90
1st number: 12/90, 2nd number: 1 3/27
12/90 - 30/27 is -44/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
12/90 = 12 × 3/90 × 3 = 36/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Subtract the two like fractions:
36/270 - 300/270 = 36 - 300/270 = -264/270 - After reducing the fraction, the answer is -44/45
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