Solutions by everydaycalculation.com

1^{st} number: 8 6/8, 2^{nd} number: 40/90

708 + 4090 is 33136.

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

LCM of 8 and 90 is**360**

Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,

708 = 70 × 458 × 45 = 3150360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,

4090 = 40 × 490 × 4 = 160360 - Add the two like fractions:

3150360 + 160360 = 3150 + 160360 = 3310360 - 3310/360 simplified gives 33136
- So, 70/8 + 40/90 = 331/36

In mixed form: 9736

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