Solutions by everydaycalculation.com

1^{st} number: 16/90, 2^{nd} number: 2 5/20

1690 + 4520 is 437180.

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

LCM of 90 and 20 is**180**

Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,

1690 = 16 × 290 × 2 = 32180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,

4520 = 45 × 920 × 9 = 405180 - Add the two like fractions:

32180 + 405180 = 32 + 405180 = 437180 - So, 16/90 + 45/20 = 437/180

In mixed form: 277180

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