Answers

Add 84/24 and 56/70

1^st number: 3 12/24, 2^nd number: 56/70

84/24 + 56/70 is 43/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   84/24 = 84 × 35/24 × 35 = 2940/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   56/70 = 56 × 12/70 × 12 = 672/840
4. Add the two like fractions:
   2940/840 + 672/840 = 2940 + 672/840 = 3612/840
5. 3612/840 simplified gives 43/10
6. So, 84/24 + 56/70 = 43/10
   In mixed form: 43/10

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