Subtract 80/30 from 18/27
1st number: 18/27, 2nd number: 2 20/30
18/27 - 80/30 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
18/27 = 18 × 10/27 × 10 = 180/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
80/30 = 80 × 9/30 × 9 = 720/270 - Subtract the two like fractions:
180/270 - 720/270 = 180 - 720/270 = -540/270 - After reducing the fraction, the answer is -2/1
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