Add 20/21 and 98/6, Solve 20/21 + 16 2/6 as a fraction

Add 20/21 and 98/6

1^st number: 20/21, 2^nd number: 16 2/6

20/21 + 98/6 is 121/7.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
20/21 = 20 × 2/21 × 2 = 40/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
98/6 = 98 × 7/6 × 7 = 686/42
Add the two like fractions:
40/42 + 686/42 = 40 + 686/42 = 726/42
726/42 simplified gives 121/7
So, 20/21 + 98/6 = 121/7
In mixed form: 172/7

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