Add 84/12 and 21/49
1st number: 7 0/12, 2nd number: 21/49
84/12 + 21/49 is 52/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
84/12 = 84 × 49/12 × 49 = 4116/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
21/49 = 21 × 12/49 × 12 = 252/588 - Add the two like fractions:
4116/588 + 252/588 = 4116 + 252/588 = 4368/588 - 4368/588 simplified gives 52/7
- So, 84/12 + 21/49 = 52/7
In mixed form: 73/7
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