Subtract 5/16 from 81/18
1st number: 4 9/18, 2nd number: 5/16
81/18 - 5/16 is 67/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
81/18 = 81 × 8/18 × 8 = 648/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
5/16 = 5 × 9/16 × 9 = 45/144 - Subtract the two like fractions:
648/144 - 45/144 = 648 - 45/144 = 603/144 - After reducing the fraction, the answer is 67/16
- In mixed form: 43/16
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