Subtract 18/15 from 6/9
1st number: 6/9, 2nd number: 1 3/15
6/9 - 18/15 is -8/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
6/9 = 6 × 5/9 × 5 = 30/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
18/15 = 18 × 3/15 × 3 = 54/45 - Subtract the two like fractions:
30/45 - 54/45 = 30 - 54/45 = -24/45 - After reducing the fraction, the answer is -8/15
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