Answers

Add 63/10 and 70/84

1^st number: 6 3/10, 2^nd number: 70/84

63/10 + 70/84 is 107/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 10 × 42 = 420,
   63/10 = 63 × 42/10 × 42 = 2646/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
4. Add the two like fractions:
   2646/420 + 350/420 = 2646 + 350/420 = 2996/420
5. 2996/420 simplified gives 107/15
6. So, 63/10 + 70/84 = 107/15
   In mixed form: 72/15

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