Add 2/20 and 81/18, Solve 2/20 + 4 9/18 as a fraction

Add 2/20 and 81/18

1^st number: 2/20, 2^nd number: 4 9/18

2/20 + 81/18 is 23/5.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180
Likewise, for the 2nd fraction, since 18 × 10 = 180,
81/18 = 81 × 10/18 × 10 = 810/180
Add the two like fractions:
18/180 + 810/180 = 18 + 810/180 = 828/180
828/180 simplified gives 23/5
So, 2/20 + 81/18 = 23/5
In mixed form: 43/5

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