Subtract 18/8 from 12/36
1st number: 12/36, 2nd number: 2 2/8
12/36 - 18/8 is -23/12.
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,
12/36 = 12 × 2/36 × 2 = 24/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Subtract the two like fractions:
24/72 - 162/72 = 24 - 162/72 = -138/72 - After reducing the fraction, the answer is -23/12
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