Add 81/14 and 50/21, Solve 5 11/14 + 2 8/21 as a fraction

Add 81/14 and 50/21

1^st number: 5 11/14, 2^nd number: 2 8/21

81/14 + 50/21 is 49/6.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 14 × 3 = 42,
81/14 = 81 × 3/14 × 3 = 243/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
50/21 = 50 × 2/21 × 2 = 100/42
Add the two like fractions:
243/42 + 100/42 = 243 + 100/42 = 343/42
343/42 simplified gives 49/6
So, 81/14 + 50/21 = 49/6
In mixed form: 81/6

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