Solutions by everydaycalculation.com

1^{st} number: 1 1/3, 2^{nd} number: 3/7

43 + 37 is 3721.

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

LCM of 3 and 7 is**21**

Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,

43 = 4 × 73 × 7 = 2821 - Likewise, for the 2nd fraction, since 7 × 3 = 21,

37 = 3 × 37 × 3 = 921 - Add the two like fractions:

2821 + 921 = 28 + 921 = 3721 - So, 4/3 + 3/7 = 37/21

In mixed form: 11621

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