Subtract 28/3 from 18/30
1st number: 18/30, 2nd number: 9 1/3
18/30 - 28/3 is -131/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
28/3 = 28 × 10/3 × 10 = 280/30 - Subtract the two like fractions:
18/30 - 280/30 = 18 - 280/30 = -262/30 - After reducing the fraction, the answer is -131/15
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