Answers

Add 84/7 and 42/70

1^st number: 12 0/7, 2^nd number: 42/70

84/7 + 42/70 is 63/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 7 × 10 = 70,
   84/7 = 84 × 10/7 × 10 = 840/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   42/70 = 42 × 1/70 × 1 = 42/70
4. Add the two like fractions:
   840/70 + 42/70 = 840 + 42/70 = 882/70
5. 882/70 simplified gives 63/5
6. So, 84/7 + 42/70 = 63/5
   In mixed form: 123/5

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