Answers

Add 42/84 and 63/10

1^st number: 42/84, 2^nd number: 6 3/10

42/84 + 63/10 is 34/5.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 84 × 5 = 420,
   42/84 = 42 × 5/84 × 5 = 210/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   63/10 = 63 × 42/10 × 42 = 2646/420
4. Add the two like fractions:
   210/420 + 2646/420 = 210 + 2646/420 = 2856/420
5. 2856/420 simplified gives 34/5
6. So, 42/84 + 63/10 = 34/5
   In mixed form: 64/5

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