Add 80/7 and 84/18
1st number: 11 3/7, 2nd number: 4 12/18
80/7 + 84/18 is 338/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
80/7 = 80 × 18/7 × 18 = 1440/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Add the two like fractions:
1440/126 + 588/126 = 1440 + 588/126 = 2028/126 - 2028/126 simplified gives 338/21
- So, 80/7 + 84/18 = 338/21
In mixed form: 162/21
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