Answers

Add 70/50 and 75/21

1^st number: 1 20/50, 2^nd number: 3 12/21

70/50 + 75/21 is 174/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 21 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   70/50 = 70 × 21/50 × 21 = 1470/1050
3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
   75/21 = 75 × 50/21 × 50 = 3750/1050
4. Add the two like fractions:
   1470/1050 + 3750/1050 = 1470 + 3750/1050 = 5220/1050
5. 5220/1050 simplified gives 174/35
6. So, 70/50 + 75/21 = 174/35
   In mixed form: 434/35

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