Subtract 7/9 from 6/8
68 - 79 is -136.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
68 = 6 × 98 × 9 = 5472 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
79 = 7 × 89 × 8 = 5672 - Subtract the two like fractions:
5472 - 5672 = 54 - 5672 = -272 - After reducing the fraction, the answer is -136
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