Subtract 81/21 from 64/2
1st number: 32 0/2, 2nd number: 3 18/21
64/2 - 81/21 is 197/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
64/2 = 64 × 21/2 × 21 = 1344/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
81/21 = 81 × 2/21 × 2 = 162/42 - Subtract the two like fractions:
1344/42 - 162/42 = 1344 - 162/42 = 1182/42 - After reducing the fraction, the answer is 197/7
- In mixed form: 281/7
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