Add 9/21 and 18/6, Solve 9/21 + 3 0/6 as a fraction

Add 9/21 and 18/6

1^st number: 9/21, 2^nd number: 3 0/6

9/21 + 18/6 is 24/7.

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,
9/21 = 9 × 2/21 × 2 = 18/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
18/6 = 18 × 7/6 × 7 = 126/42
Add the two like fractions:
18/42 + 126/42 = 18 + 126/42 = 144/42
144/42 simplified gives 24/7
So, 9/21 + 18/6 = 24/7
In mixed form: 33/7

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