Answers

Add 12/84 and 84/10

1^st number: 12/84, 2^nd number: 8 4/10

12/84 + 84/10 is 299/35.

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,
   12/84 = 12 × 5/84 × 5 = 60/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   84/10 = 84 × 42/10 × 42 = 3528/420
4. Add the two like fractions:
   60/420 + 3528/420 = 60 + 3528/420 = 3588/420
5. 3588/420 simplified gives 299/35
6. So, 12/84 + 84/10 = 299/35
   In mixed form: 819/35

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