Subtract 10/42 from 90/28
1st number: 3 6/28, 2nd number: 10/42
90/28 - 10/42 is 125/42.
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,
90/28 = 90 × 3/28 × 3 = 270/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
10/42 = 10 × 2/42 × 2 = 20/84 - Subtract the two like fractions:
270/84 - 20/84 = 270 - 20/84 = 250/84 - After reducing the fraction, the answer is 125/42
- In mixed form: 241/42
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