Subtract 42/12 from 20/4
1st number: 5 0/4, 2nd number: 3 6/12
20/4 - 42/12 is 3/2.
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,
20/4 = 20 × 3/4 × 3 = 60/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12 - Subtract the two like fractions:
60/12 - 42/12 = 60 - 42/12 = 18/12 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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