Add 9/5 and 27/42, Solve 1 4/5 + 27/42 as a fraction

Add 9/5 and 27/42

1^st number: 1 4/5, 2^nd number: 27/42

9/5 + 27/42 is 171/70.

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,
9/5 = 9 × 42/5 × 42 = 378/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
27/42 = 27 × 5/42 × 5 = 135/210
Add the two like fractions:
378/210 + 135/210 = 378 + 135/210 = 513/210
513/210 simplified gives 171/70
So, 9/5 + 27/42 = 171/70
In mixed form: 231/70

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