Solutions by everydaycalculation.com

1^{st} number: 14 0/3, 2^{nd} number: 1 12/63

423 + 7563 is 31921.

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

LCM of 3 and 63 is**63**

Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,

423 = 42 × 213 × 21 = 88263 - Likewise, for the 2nd fraction, since 63 × 1 = 63,

7563 = 75 × 163 × 1 = 7563 - Add the two like fractions:

88263 + 7563 = 882 + 7563 = 95763 - 957/63 simplified gives 31921
- So, 42/3 + 75/63 = 319/21

In mixed form: 15421

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