Add 36/12 and 21/35, Solve 3 0/12 + 21/35 as a fraction

Add 36/12 and 21/35

1^st number: 3 0/12, 2^nd number: 21/35

36/12 + 21/35 is 18/5.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
36/12 = 36 × 35/12 × 35 = 1260/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
21/35 = 21 × 12/35 × 12 = 252/420
Add the two like fractions:
1260/420 + 252/420 = 1260 + 252/420 = 1512/420
1512/420 simplified gives 18/5
So, 36/12 + 21/35 = 18/5
In mixed form: 33/5

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