Solutions by everydaycalculation.com

1^{st} number: 21/84, 2^{nd} number: 2 5/10

2184 + 2510 is 114.

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

LCM of 84 and 10 is**420**

Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,

2184 = 21 × 584 × 5 = 105420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,

2510 = 25 × 4210 × 42 = 1050420 - Add the two like fractions:

105420 + 1050420 = 105 + 1050420 = 1155420 - 1155/420 simplified gives 114
- So, 21/84 + 25/10 = 11/4

In mixed form: 234

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