Solutions by everydaycalculation.com

1^{st} number: 1 35/45, 2^{nd} number: 18/70

8045 + 1870 is 641315.

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

LCM of 45 and 70 is**630**

Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,

8045 = 80 × 1445 × 14 = 1120630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,

1870 = 18 × 970 × 9 = 162630 - Add the two like fractions:

1120630 + 162630 = 1120 + 162630 = 1282630 - 1282/630 simplified gives 641315
- So, 80/45 + 18/70 = 641/315

In mixed form: 211315

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