Subtract 20/12 from 18/4
1st number: 4 2/4, 2nd number: 1 8/12
18/4 - 20/12 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
18/4 = 18 × 3/4 × 3 = 54/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
20/12 = 20 × 1/12 × 1 = 20/12 - Subtract the two like fractions:
54/12 - 20/12 = 54 - 20/12 = 34/12 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
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