Add 12/84 and 7/3
1st number: 12/84, 2nd number: 2 1/3
12/84 + 7/3 is 52/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
12/84 = 12 × 1/84 × 1 = 12/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
7/3 = 7 × 28/3 × 28 = 196/84 - Add the two like fractions:
12/84 + 196/84 = 12 + 196/84 = 208/84 - 208/84 simplified gives 52/21
- So, 12/84 + 7/3 = 52/21
In mixed form: 210/21
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