Subtract 75/40 from 90/28
1st number: 3 6/28, 2nd number: 1 35/40
90/28 - 75/40 is 75/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
90/28 = 90 × 10/28 × 10 = 900/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
75/40 = 75 × 7/40 × 7 = 525/280 - Subtract the two like fractions:
900/280 - 525/280 = 900 - 525/280 = 375/280 - After reducing the fraction, the answer is 75/56
- In mixed form: 119/56
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