Solutions by everydaycalculation.com

1^{st} number: 1 7/20, 2^{nd} number: 20/63

2720 + 2063 is 21011260.

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

LCM of 20 and 63 is**1260**

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

2720 = 27 × 6320 × 63 = 17011260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,

2063 = 20 × 2063 × 20 = 4001260 - Add the two like fractions:

17011260 + 4001260 = 1701 + 4001260 = 21011260 - So, 27/20 + 20/63 = 2101/1260

In mixed form: 18411260

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