Subtract 9/8 from 18/36
1st number: 18/36, 2nd number: 1 1/8
18/36 - 9/8 is -5/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
18/36 = 18 × 2/36 × 2 = 36/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
9/8 = 9 × 9/8 × 9 = 81/72 - Subtract the two like fractions:
36/72 - 81/72 = 36 - 81/72 = -45/72 - After reducing the fraction, the answer is -5/8
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