Solutions by everydaycalculation.com

1^{st} number: 40/63, 2^{nd} number: 2 9/20

4063 + 4920 is 38871260.

- 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,

4920 = 49 × 6320 × 63 = 30871260 - Add the two like fractions:

8001260 + 30871260 = 800 + 30871260 = 38871260 - So, 40/63 + 49/20 = 3887/1260

In mixed form: 31071260

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