Subtract 49/9 from 81/24
1st number: 3 9/24, 2nd number: 5 4/9
81/24 - 49/9 is -149/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
81/24 = 81 × 3/24 × 3 = 243/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
49/9 = 49 × 8/9 × 8 = 392/72 - Subtract the two like fractions:
243/72 - 392/72 = 243 - 392/72 = -149/72
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