Add 30/42 and 8/5, Solve 30/42 + 1 3/5 as a fraction

Add 30/42 and 8/5

1^st number: 30/42, 2^nd number: 1 3/5

30/42 + 8/5 is 81/35.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
30/42 = 30 × 5/42 × 5 = 150/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
8/5 = 8 × 42/5 × 42 = 336/210
Add the two like fractions:
150/210 + 336/210 = 150 + 336/210 = 486/210
486/210 simplified gives 81/35
So, 30/42 + 8/5 = 81/35
In mixed form: 211/35

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