Answers

Add 84/90 and 50/42

1^st number: 84/90, 2^nd number: 1 8/42

84/90 + 50/42 is 223/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 42 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   84/90 = 84 × 7/90 × 7 = 588/630
3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
   50/42 = 50 × 15/42 × 15 = 750/630
4. Add the two like fractions:
   588/630 + 750/630 = 588 + 750/630 = 1338/630
5. 1338/630 simplified gives 223/105
6. So, 84/90 + 50/42 = 223/105
   In mixed form: 213/105

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