Solutions by everydaycalculation.com

1^{st} number: 1 10/20, 2^{nd} number: 1 7/28

3020 + 3528 is 114.

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

LCM of 20 and 28 is**140**

Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,

3020 = 30 × 720 × 7 = 210140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,

3528 = 35 × 528 × 5 = 175140 - Add the two like fractions:

210140 + 175140 = 210 + 175140 = 385140 - 385/140 simplified gives 114
- So, 30/20 + 35/28 = 11/4

In mixed form: 234

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