Subtract 35/24 from 7/81
1st number: 7/81, 2nd number: 1 11/24
7/81 - 35/24 is -889/648.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 24 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
7/81 = 7 × 8/81 × 8 = 56/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
35/24 = 35 × 27/24 × 27 = 945/648 - Subtract the two like fractions:
56/648 - 945/648 = 56 - 945/648 = -889/648
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