Subtract 42/20 from 50/12
1st number: 4 2/12, 2nd number: 2 2/20
50/12 - 42/20 is 31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
50/12 = 50 × 5/12 × 5 = 250/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Subtract the two like fractions:
250/60 - 126/60 = 250 - 126/60 = 124/60 - After reducing the fraction, the answer is 31/15
- In mixed form: 21/15
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