Subtract 90/5 from 28/10
1st number: 2 8/10, 2nd number: 18 0/5
28/10 - 90/5 is -76/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
28/10 = 28 × 1/10 × 1 = 28/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
90/5 = 90 × 2/5 × 2 = 180/10 - Subtract the two like fractions:
28/10 - 180/10 = 28 - 180/10 = -152/10 - After reducing the fraction, the answer is -76/5
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