Subtract 18/40 from 54/6
1st number: 9 0/6, 2nd number: 18/40
54/6 - 18/40 is 171/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
54/6 = 54 × 20/6 × 20 = 1080/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Subtract the two like fractions:
1080/120 - 54/120 = 1080 - 54/120 = 1026/120 - After reducing the fraction, the answer is 171/20
- In mixed form: 811/20
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