Answers

Add 42/10 and 84/42

1^st number: 4 2/10, 2^nd number: 2 0/42

42/10 + 84/42 is 31/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 10 × 21 = 210,
   42/10 = 42 × 21/10 × 21 = 882/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   84/42 = 84 × 5/42 × 5 = 420/210
4. Add the two like fractions:
   882/210 + 420/210 = 882 + 420/210 = 1302/210
5. 1302/210 simplified gives 31/5
6. So, 42/10 + 84/42 = 31/5
   In mixed form: 61/5

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