Subtract 36/27 from 40/90
1st number: 40/90, 2nd number: 1 9/27
40/90 - 36/27 is -8/9.
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,
40/90 = 40 × 3/90 × 3 = 120/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
36/27 = 36 × 10/27 × 10 = 360/270 - Subtract the two like fractions:
120/270 - 360/270 = 120 - 360/270 = -240/270 - After reducing the fraction, the answer is -8/9
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