Add 20/6 and 30/70, Solve 3 2/6 + 30/70 as a fraction

Add 20/6 and 30/70

1^st number: 3 2/6, 2^nd number: 30/70

20/6 + 30/70 is 79/21.

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,
20/6 = 20 × 35/6 × 35 = 700/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
30/70 = 30 × 3/70 × 3 = 90/210
Add the two like fractions:
700/210 + 90/210 = 700 + 90/210 = 790/210
790/210 simplified gives 79/21
So, 20/6 + 30/70 = 79/21
In mixed form: 316/21

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