Subtract 81/8 from 49/18
1st number: 2 13/18, 2nd number: 10 1/8
49/18 - 81/8 is -533/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
49/18 = 49 × 4/18 × 4 = 196/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
81/8 = 81 × 9/8 × 9 = 729/72 - Subtract the two like fractions:
196/72 - 729/72 = 196 - 729/72 = -533/72
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