Subtract 40/28 from 42/6
1st number: 7 0/6, 2nd number: 1 12/28
42/6 - 40/28 is 39/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
42/6 = 42 × 14/6 × 14 = 588/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
40/28 = 40 × 3/28 × 3 = 120/84 - Subtract the two like fractions:
588/84 - 120/84 = 588 - 120/84 = 468/84 - After reducing the fraction, the answer is 39/7
- In mixed form: 54/7
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