Subtract 3/42 from 80/28
1st number: 2 24/28, 2nd number: 3/42
80/28 - 3/42 is 39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
80/28 = 80 × 3/28 × 3 = 240/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84 - Subtract the two like fractions:
240/84 - 6/84 = 240 - 6/84 = 234/84 - After reducing the fraction, the answer is 39/14
- In mixed form: 211/14
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