Add 2/10 and 81/18, Solve 2/10 + 4 9/18 as a fraction

Add 2/10 and 81/18

1^st number: 2/10, 2^nd number: 4 9/18

2/10 + 81/18 is 47/10.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 10 × 9 = 90,
2/10 = 2 × 9/10 × 9 = 18/90
Likewise, for the 2nd fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90
Add the two like fractions:
18/90 + 405/90 = 18 + 405/90 = 423/90
423/90 simplified gives 47/10
So, 2/10 + 81/18 = 47/10
In mixed form: 47/10

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