Subtract 9/28 from 90/42
1st number: 2 6/42, 2nd number: 9/28
90/42 - 9/28 is 51/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
90/42 = 90 × 2/42 × 2 = 180/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
9/28 = 9 × 3/28 × 3 = 27/84 - Subtract the two like fractions:
180/84 - 27/84 = 180 - 27/84 = 153/84 - After reducing the fraction, the answer is 51/28
- In mixed form: 123/28
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