Subtract 12/42 from 10/3
1st number: 3 1/3, 2nd number: 12/42
10/3 - 12/42 is 64/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
10/3 = 10 × 14/3 × 14 = 140/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Subtract the two like fractions:
140/42 - 12/42 = 140 - 12/42 = 128/42 - After reducing the fraction, the answer is 64/21
- In mixed form: 31/21
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