Subtract 40/30 from 28/27
1st number: 1 1/27, 2nd number: 1 10/30
28/27 - 40/30 is -8/27.
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,
28/27 = 28 × 10/27 × 10 = 280/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
40/30 = 40 × 9/30 × 9 = 360/270 - Subtract the two like fractions:
280/270 - 360/270 = 280 - 360/270 = -80/270 - After reducing the fraction, the answer is -8/27
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