Solutions by everydaycalculation.com

1^{st} number: 1 21/42, 2^{nd} number: 5/30

6342 + 530 is 53.

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

LCM of 42 and 30 is**210**

Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,

6342 = 63 × 542 × 5 = 315210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,

530 = 5 × 730 × 7 = 35210 - Add the two like fractions:

315210 + 35210 = 315 + 35210 = 350210 - 350/210 simplified gives 53
- So, 63/42 + 5/30 = 5/3

In mixed form: 123

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