Subtract 42/56 from 20/3
1st number: 6 2/3, 2nd number: 42/56
20/3 - 42/56 is 71/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
20/3 = 20 × 56/3 × 56 = 1120/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168 - Subtract the two like fractions:
1120/168 - 126/168 = 1120 - 126/168 = 994/168 - After reducing the fraction, the answer is 71/12
- In mixed form: 511/12
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