Add 21/6 and 36/70, Solve 3 3/6 + 36/70 as a fraction

Add 21/6 and 36/70

1^st number: 3 3/6, 2^nd number: 36/70

21/6 + 36/70 is 281/70.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
36/70 = 36 × 3/70 × 3 = 108/210
Add the two like fractions:
735/210 + 108/210 = 735 + 108/210 = 843/210
843/210 simplified gives 281/70
So, 21/6 + 36/70 = 281/70
In mixed form: 41/70

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