Subtract 90/8 from 8/9
1st number: 8/9, 2nd number: 11 2/8
8/9 - 90/8 is -373/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
8/9 = 8 × 8/9 × 8 = 64/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Subtract the two like fractions:
64/72 - 810/72 = 64 - 810/72 = -746/72 - After reducing the fraction, the answer is -373/36
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