Answers

Add 84/70 and 54/24

1^st number: 1 14/70, 2^nd number: 2 6/24

84/70 + 54/24 is 69/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 70 × 12 = 840,
   84/70 = 84 × 12/70 × 12 = 1008/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   54/24 = 54 × 35/24 × 35 = 1890/840
4. Add the two like fractions:
   1008/840 + 1890/840 = 1008 + 1890/840 = 2898/840
5. 2898/840 simplified gives 69/20
6. So, 84/70 + 54/24 = 69/20
   In mixed form: 39/20

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