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

Add 8/5 and 30/42

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

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

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

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

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