Subtract 28/56 from 80/42
1st number: 1 38/42, 2nd number: 28/56
80/42 - 28/56 is 59/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
80/42 = 80 × 4/42 × 4 = 320/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
28/56 = 28 × 3/56 × 3 = 84/168 - Subtract the two like fractions:
320/168 - 84/168 = 320 - 84/168 = 236/168 - After reducing the fraction, the answer is 59/42
- In mixed form: 117/42
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