Answers

Add 18/42 and 70/50

1^st number: 18/42, 2^nd number: 1 20/50

18/42 + 70/50 is 64/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 50 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   18/42 = 18 × 25/42 × 25 = 450/1050
3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
   70/50 = 70 × 21/50 × 21 = 1470/1050
4. Add the two like fractions:
   450/1050 + 1470/1050 = 450 + 1470/1050 = 1920/1050
5. 1920/1050 simplified gives 64/35
6. So, 18/42 + 70/50 = 64/35
   In mixed form: 129/35

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