Add 72/14 and 84/12
1st number: 5 2/14, 2nd number: 7 0/12
72/14 + 84/12 is 85/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
72/14 = 72 × 6/14 × 6 = 432/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
84/12 = 84 × 7/12 × 7 = 588/84 - Add the two like fractions:
432/84 + 588/84 = 432 + 588/84 = 1020/84 - 1020/84 simplified gives 85/7
- So, 72/14 + 84/12 = 85/7
In mixed form: 121/7
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