Add 81/6 and 20/14, Solve 13 3/6 + 1 6/14 as a fraction

Add 81/6 and 20/14

1^st number: 13 3/6, 2^nd number: 1 6/14

81/6 + 20/14 is 209/14.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
81/6 = 81 × 7/6 × 7 = 567/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
20/14 = 20 × 3/14 × 3 = 60/42
Add the two like fractions:
567/42 + 60/42 = 567 + 60/42 = 627/42
627/42 simplified gives 209/14
So, 81/6 + 20/14 = 209/14
In mixed form: 1413/14

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