Add 30/28 and 84/12
1st number: 1 2/28, 2nd number: 7 0/12
30/28 + 84/12 is 113/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
84/12 = 84 × 7/12 × 7 = 588/84 - Add the two like fractions:
90/84 + 588/84 = 90 + 588/84 = 678/84 - 678/84 simplified gives 113/14
- So, 30/28 + 84/12 = 113/14
In mixed form: 81/14
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