Answers

Add 10/84 and 15/10

1^st number: 10/84, 2^nd number: 1 5/10

10/84 + 15/10 is 34/21.

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,
   10/84 = 10 × 5/84 × 5 = 50/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   15/10 = 15 × 42/10 × 42 = 630/420
4. Add the two like fractions:
   50/420 + 630/420 = 50 + 630/420 = 680/420
5. 680/420 simplified gives 34/21
6. So, 10/84 + 15/10 = 34/21
   In mixed form: 113/21

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