Add 7/3 and 21/84
1st number: 2 1/3, 2nd number: 21/84
7/3 + 21/84 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
7/3 = 7 × 28/3 × 28 = 196/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Add the two like fractions:
196/84 + 21/84 = 196 + 21/84 = 217/84 - 217/84 simplified gives 31/12
- So, 7/3 + 21/84 = 31/12
In mixed form: 27/12
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