Solutions by everydaycalculation.com

1^{st} number: 1 3/4, 2^{nd} number: 4/5

74 + 45 is 5120.

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

LCM of 4 and 5 is**20**

Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,

74 = 7 × 54 × 5 = 3520 - Likewise, for the 2nd fraction, since 5 × 4 = 20,

45 = 4 × 45 × 4 = 1620 - Add the two like fractions:

3520 + 1620 = 35 + 1620 = 5120 - So, 7/4 + 4/5 = 51/20

In mixed form: 21120

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