Answers

Add 70/84 and 35/50

70/84 + 35/50 is 23/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 50 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 84 × 25 = 2100,
   70/84 = 70 × 25/84 × 25 = 1750/2100
3. Likewise, for the 2nd fraction, since 50 × 42 = 2100,
   35/50 = 35 × 42/50 × 42 = 1470/2100
4. Add the two like fractions:
   1750/2100 + 1470/2100 = 1750 + 1470/2100 = 3220/2100
5. 3220/2100 simplified gives 23/15
6. So, 70/84 + 35/50 = 23/15
   In mixed form: 18/15

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