Subtract 80/27 from 81/90
1st number: 81/90, 2nd number: 2 26/27
81/90 - 80/27 is -557/270.
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,
81/90 = 81 × 3/90 × 3 = 243/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
80/27 = 80 × 10/27 × 10 = 800/270 - Subtract the two like fractions:
243/270 - 800/270 = 243 - 800/270 = -557/270
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