Answers

Add 84/70 and 2/20

1^st number: 1 14/70, 2^nd number: 2/20

84/70 + 2/20 is 13/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   84/70 = 84 × 2/70 × 2 = 168/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   2/20 = 2 × 7/20 × 7 = 14/140
4. Add the two like fractions:
   168/140 + 14/140 = 168 + 14/140 = 182/140
5. 182/140 simplified gives 13/10
6. So, 84/70 + 2/20 = 13/10
   In mixed form: 13/10

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