Subtract 3/9 from 7/27
7/27 - 3/9 is -2/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
7/27 = 7 × 1/27 × 1 = 7/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
3/9 = 3 × 3/9 × 3 = 9/27 - Subtract the two like fractions:
7/27 - 9/27 = 7 - 9/27 = -2/27
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