Add 30/70 and 35/9, Solve 30/70 + 3 8/9 as a fraction

Add 30/70 and 35/9

1^st number: 30/70, 2^nd number: 3 8/9

30/70 + 35/9 is 272/63.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
30/70 = 30 × 9/70 × 9 = 270/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
35/9 = 35 × 70/9 × 70 = 2450/630
Add the two like fractions:
270/630 + 2450/630 = 270 + 2450/630 = 2720/630
2720/630 simplified gives 272/63
So, 30/70 + 35/9 = 272/63
In mixed form: 420/63

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