Subtract 90/28 from 27/16
1st number: 1 11/16, 2nd number: 3 6/28
27/16 - 90/28 is -171/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
27/16 = 27 × 7/16 × 7 = 189/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
90/28 = 90 × 4/28 × 4 = 360/112 - Subtract the two like fractions:
189/112 - 360/112 = 189 - 360/112 = -171/112
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