Answers

Add 70/12 and 18/84

1^st number: 5 10/12, 2^nd number: 18/84

70/12 + 18/84 is 127/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   70/12 = 70 × 7/12 × 7 = 490/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   18/84 = 18 × 1/84 × 1 = 18/84
4. Add the two like fractions:
   490/84 + 18/84 = 490 + 18/84 = 508/84
5. 508/84 simplified gives 127/21
6. So, 70/12 + 18/84 = 127/21
   In mixed form: 61/21

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