Subtract 15/42 from 50/12
1st number: 4 2/12, 2nd number: 15/42
50/12 - 15/42 is 80/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
50/12 = 50 × 7/12 × 7 = 350/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84 - Subtract the two like fractions:
350/84 - 30/84 = 350 - 30/84 = 320/84 - After reducing the fraction, the answer is 80/21
- In mixed form: 317/21
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