Subtract 90/28 from 4/3
1st number: 1 1/3, 2nd number: 3 6/28
4/3 - 90/28 is -79/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
4/3 = 4 × 28/3 × 28 = 112/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
90/28 = 90 × 3/28 × 3 = 270/84 - Subtract the two like fractions:
112/84 - 270/84 = 112 - 270/84 = -158/84 - After reducing the fraction, the answer is -79/42
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