Subtract 2/5 from 3/9
3/9 - 2/5 is -1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 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 5 × 9 = 45,
2/5 = 2 × 9/5 × 9 = 18/45 - Subtract the two like fractions:
15/45 - 18/45 = 15 - 18/45 = -3/45 - After reducing the fraction, the answer is -1/15
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