Subtract 20/3 from 28/10
1st number: 2 8/10, 2nd number: 6 2/3
28/10 - 20/3 is -58/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
28/10 = 28 × 3/10 × 3 = 84/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
20/3 = 20 × 10/3 × 10 = 200/30 - Subtract the two like fractions:
84/30 - 200/30 = 84 - 200/30 = -116/30 - After reducing the fraction, the answer is -58/15
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