Solutions by everydaycalculation.com

1^{st} number: 56/90, 2^{nd} number: 1 20/70

5690 + 9070 is 601315.

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

LCM of 90 and 70 is**630**

Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,

5690 = 56 × 790 × 7 = 392630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,

9070 = 90 × 970 × 9 = 810630 - Add the two like fractions:

392630 + 810630 = 392 + 810630 = 1202630 - 1202/630 simplified gives 601315
- So, 56/90 + 90/70 = 601/315

In mixed form: 1286315

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