Subtract 49/90 from 20/27
20/27 - 49/90 is 53/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
49/90 = 49 × 3/90 × 3 = 147/270 - Subtract the two like fractions:
200/270 - 147/270 = 200 - 147/270 = 53/270
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