Solutions by everydaycalculation.com

1^{st} number: 1 2/3, 2^{nd} number: 6/9

53 + 69 is 73.

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

LCM of 3 and 9 is**9**

Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,

53 = 5 × 33 × 3 = 159 - Likewise, for the 2nd fraction, since 9 × 1 = 9,

69 = 6 × 19 × 1 = 69 - Add the two like fractions:

159 + 69 = 15 + 69 = 219 - 21/9 simplified gives 73
- So, 5/3 + 6/9 = 7/3

In mixed form: 213

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