Subtract 40/30 from 15/54
1st number: 15/54, 2nd number: 1 10/30
15/54 - 40/30 is -19/18.
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,
15/54 = 15 × 5/54 × 5 = 75/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
40/30 = 40 × 9/30 × 9 = 360/270 - Subtract the two like fractions:
75/270 - 360/270 = 75 - 360/270 = -285/270 - After reducing the fraction, the answer is -19/18
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