Solutions by everydaycalculation.com

1^{st} number: 9/18, 2^{nd} number: 1 12/20

918 + 3220 is 2110.

- Find the least common denominator or LCM of the two denominators:

LCM of 18 and 20 is**180**

Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,

918 = 9 × 1018 × 10 = 90180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,

3220 = 32 × 920 × 9 = 288180 - Add the two like fractions:

90180 + 288180 = 90 + 288180 = 378180 - 378/180 simplified gives 2110
- So, 9/18 + 32/20 = 21/10

In mixed form: 2110

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