Solutions by everydaycalculation.com

1^{st} number: 2 0/21, 2^{nd} number: 25/84

4221 + 2584 is 19384.

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

LCM of 21 and 84 is**84**

Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,

4221 = 42 × 421 × 4 = 16884 - Likewise, for the 2nd fraction, since 84 × 1 = 84,

2584 = 25 × 184 × 1 = 2584 - Add the two like fractions:

16884 + 2584 = 168 + 2584 = 19384 - So, 42/21 + 25/84 = 193/84

In mixed form: 22584

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