Subtract 7/21 from 8/3
1st number: 2 2/3, 2nd number: 7/21
8/3 - 7/21 is 7/3.
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,
8/3 = 8 × 7/3 × 7 = 56/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
7/21 = 7 × 1/21 × 1 = 7/21 - Subtract the two like fractions:
56/21 - 7/21 = 56 - 7/21 = 49/21 - After reducing the fraction, the answer is 7/3
- In mixed form: 21/3
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