Add 36/18 and 9/21, Solve 2 0/18 + 9/21 as a fraction

Add 36/18 and 9/21

1^st number: 2 0/18, 2^nd number: 9/21

36/18 + 9/21 is 17/7.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
36/18 = 36 × 7/18 × 7 = 252/126
Likewise, for the 2nd fraction, since 21 × 6 = 126,
9/21 = 9 × 6/21 × 6 = 54/126
Add the two like fractions:
252/126 + 54/126 = 252 + 54/126 = 306/126
306/126 simplified gives 17/7
So, 36/18 + 9/21 = 17/7
In mixed form: 23/7

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