Subtract 18/40 from 54/30
1st number: 1 24/30, 2nd number: 18/40
54/30 - 18/40 is 27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
54/30 = 54 × 4/30 × 4 = 216/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Subtract the two like fractions:
216/120 - 54/120 = 216 - 54/120 = 162/120 - After reducing the fraction, the answer is 27/20
- In mixed form: 17/20
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