Subtract 81/18 from 3/8
1st number: 3/8, 2nd number: 4 9/18
3/8 - 81/18 is -33/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
3/8 = 3 × 9/8 × 9 = 27/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
81/18 = 81 × 4/18 × 4 = 324/72 - Subtract the two like fractions:
27/72 - 324/72 = 27 - 324/72 = -297/72 - After reducing the fraction, the answer is -33/8
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