Subtract 15/30 from 16/54
16/54 - 15/30 is -11/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
16/54 = 16 × 5/54 × 5 = 80/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
15/30 = 15 × 9/30 × 9 = 135/270 - Subtract the two like fractions:
80/270 - 135/270 = 80 - 135/270 = -55/270 - After reducing the fraction, the answer is -11/54
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