Subtract 18/5 from 45/54
1st number: 45/54, 2nd number: 3 3/5
45/54 - 18/5 is -83/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
18/5 = 18 × 54/5 × 54 = 972/270 - Subtract the two like fractions:
225/270 - 972/270 = 225 - 972/270 = -747/270 - After reducing the fraction, the answer is -83/30
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