Solutions by everydaycalculation.com

1^{st} number: 40/63, 2^{nd} number: 1 15/20

4063 + 3520 is 601252.

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

LCM of 63 and 20 is**1260**

Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,

4063 = 40 × 2063 × 20 = 8001260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,

3520 = 35 × 6320 × 63 = 22051260 - Add the two like fractions:

8001260 + 22051260 = 800 + 22051260 = 30051260 - 3005/1260 simplified gives 601252
- So, 40/63 + 35/20 = 601/252

In mixed form: 297252

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