Subtract 27/54 from 6/45
6/45 - 27/54 is -11/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
6/45 = 6 × 6/45 × 6 = 36/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270 - Subtract the two like fractions:
36/270 - 135/270 = 36 - 135/270 = -99/270 - After reducing the fraction, the answer is -11/30
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