Subtract 3/8 from 90/28
1st number: 3 6/28, 2nd number: 3/8
90/28 - 3/8 is 159/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
90/28 = 90 × 2/28 × 2 = 180/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
3/8 = 3 × 7/8 × 7 = 21/56 - Subtract the two like fractions:
180/56 - 21/56 = 180 - 21/56 = 159/56 - In mixed form: 247/56
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