Subtract 28/10 from 10/5
1st number: 2 0/5, 2nd number: 2 8/10
10/5 - 28/10 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
10/5 = 10 × 2/5 × 2 = 20/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
28/10 = 28 × 1/10 × 1 = 28/10 - Subtract the two like fractions:
20/10 - 28/10 = 20 - 28/10 = -8/10 - After reducing the fraction, the answer is -4/5
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