Subtract 9/15 from 3/9
3/9 - 9/15 is -4/15.
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,
3/9 = 3 × 5/9 × 5 = 15/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
9/15 = 9 × 3/15 × 3 = 27/45 - Subtract the two like fractions:
15/45 - 27/45 = 15 - 27/45 = -12/45 - After reducing the fraction, the answer is -4/15
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