Subtract 90/28 from 27/10
1st number: 2 7/10, 2nd number: 3 6/28
27/10 - 90/28 is -18/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
27/10 = 27 × 14/10 × 14 = 378/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Subtract the two like fractions:
378/140 - 450/140 = 378 - 450/140 = -72/140 - After reducing the fraction, the answer is -18/35
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