Add 12/84 and 70/49
1st number: 12/84, 2nd number: 1 21/49
12/84 + 70/49 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
12/84 = 12 × 7/84 × 7 = 84/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
70/49 = 70 × 12/49 × 12 = 840/588 - Add the two like fractions:
84/588 + 840/588 = 84 + 840/588 = 924/588 - 924/588 simplified gives 11/7
- So, 12/84 + 70/49 = 11/7
In mixed form: 14/7
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