Answers

Add 10/84 and 16/15

1^st number: 10/84, 2^nd number: 1 1/15

10/84 + 16/15 is 83/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 15 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   10/84 = 10 × 5/84 × 5 = 50/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   16/15 = 16 × 28/15 × 28 = 448/420
4. Add the two like fractions:
   50/420 + 448/420 = 50 + 448/420 = 498/420
5. 498/420 simplified gives 83/70
6. So, 10/84 + 16/15 = 83/70
   In mixed form: 113/70

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