Add 27/90 and 42/10, Solve 27/90 + 4 2/10 as a fraction

Add 27/90 and 42/10

1^st number: 27/90, 2^nd number: 4 2/10

27/90 + 42/10 is 9/2.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90
Likewise, for the 2nd fraction, since 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90
Add the two like fractions:
27/90 + 378/90 = 27 + 378/90 = 405/90
405/90 simplified gives 9/2
So, 27/90 + 42/10 = 9/2
In mixed form: 41/2

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