Solutions by everydaycalculation.com

1^{st} number: 21/42, 2^{nd} number: 5 2/5

2142 + 275 is 5910.

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

LCM of 42 and 5 is**210** - For the 1st fraction, since 42 × 5 = 210,

2142 = 21 × 542 × 5 = 105210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,

275 = 27 × 425 × 42 = 1134210 - Add the two fractions:

105210 + 1134210 = 105 + 1134210 = 1239210 - After reducing the fraction, the answer is 5910
- In mixed form: 5910

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