Add 36/2 and 70/21, Solve 18 0/2 + 3 7/21 as a fraction

Add 36/2 and 70/21

1^st number: 18 0/2, 2^nd number: 3 7/21

36/2 + 70/21 is 64/3.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
36/2 = 36 × 21/2 × 21 = 756/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42
Add the two like fractions:
756/42 + 140/42 = 756 + 140/42 = 896/42
896/42 simplified gives 64/3
So, 36/2 + 70/21 = 64/3
In mixed form: 211/3

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