Add 80/7 and 14/18, Solve 11 3/7 + 14/18 as a fraction

Add 80/7 and 14/18

1^st number: 11 3/7, 2^nd number: 14/18

80/7 + 14/18 is 769/63.

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,
14/18 = 14 × 7/18 × 7 = 98/126
Add the two like fractions:
1440/126 + 98/126 = 1440 + 98/126 = 1538/126
1538/126 simplified gives 769/63
So, 80/7 + 14/18 = 769/63
In mixed form: 1213/63

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