Solutions by everydaycalculation.com

1^{st} number: 7 0/9, 2^{nd} number: 3 0/18

639 + 5418 is 101.

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

LCM of 9 and 18 is**18**

Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,

639 = 63 × 29 × 2 = 12618 - Likewise, for the 2nd fraction, since 18 × 1 = 18,

5418 = 54 × 118 × 1 = 5418 - Add the two like fractions:

12618 + 5418 = 126 + 5418 = 18018 - 180/18 simplified gives 101
- So, 63/9 + 54/18 = 10/1

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