Subtract 90/28 from 75/4
1st number: 18 3/4, 2nd number: 3 6/28
75/4 - 90/28 is 435/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
75/4 = 75 × 7/4 × 7 = 525/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Subtract the two like fractions:
525/28 - 90/28 = 525 - 90/28 = 435/28 - In mixed form: 1515/28
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