Solutions by everydaycalculation.com

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

63 + 17 is 157.

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

LCM of 3 and 7 is**21**

Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,

63 = 6 × 73 × 7 = 4221 - Likewise, for the 2nd fraction, since 7 × 3 = 21,

17 = 1 × 37 × 3 = 321 - Add the two like fractions:

4221 + 321 = 42 + 321 = 4521 - 45/21 simplified gives 157
- So, 6/3 + 1/7 = 15/7

In mixed form: 217

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