Answers

Add 84/8 and 42/70

1^st number: 10 4/8, 2^nd number: 42/70

84/8 + 42/70 is 111/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 8 × 35 = 280,
   84/8 = 84 × 35/8 × 35 = 2940/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   42/70 = 42 × 4/70 × 4 = 168/280
4. Add the two like fractions:
   2940/280 + 168/280 = 2940 + 168/280 = 3108/280
5. 3108/280 simplified gives 111/10
6. So, 84/8 + 42/70 = 111/10
   In mixed form: 111/10

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