Solutions by everydaycalculation.com

1^{st} number: 1 1/4, 2^{nd} number: 4/7

54 + 47 is 5128.

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

LCM of 4 and 7 is**28**

Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,

54 = 5 × 74 × 7 = 3528 - Likewise, for the 2nd fraction, since 7 × 4 = 28,

47 = 4 × 47 × 4 = 1628 - Add the two like fractions:

3528 + 1628 = 35 + 1628 = 5128 - So, 5/4 + 4/7 = 51/28

In mixed form: 12328

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