Subtract 81/21 from 98/3
1st number: 32 2/3, 2nd number: 3 18/21
98/3 - 81/21 is 605/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
98/3 = 98 × 7/3 × 7 = 686/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
81/21 = 81 × 1/21 × 1 = 81/21 - Subtract the two like fractions:
686/21 - 81/21 = 686 - 81/21 = 605/21 - In mixed form: 2817/21
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