Subtract 7/9 from 1/27
1/27 - 7/9 is -20/27.
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,
1/27 = 1 × 1/27 × 1 = 1/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
7/9 = 7 × 3/9 × 3 = 21/27 - Subtract the two like fractions:
1/27 - 21/27 = 1 - 21/27 = -20/27
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