Subtract 4/40 from 18/12
1st number: 1 6/12, 2nd number: 4/40
18/12 - 4/40 is 7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
18/12 = 18 × 10/12 × 10 = 180/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120 - Subtract the two like fractions:
180/120 - 12/120 = 180 - 12/120 = 168/120 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
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