Answers

Add 20/42 and 75/70

1^st number: 20/42, 2^nd number: 1 5/70

20/42 + 75/70 is 65/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   20/42 = 20 × 5/42 × 5 = 100/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   75/70 = 75 × 3/70 × 3 = 225/210
4. Add the two like fractions:
   100/210 + 225/210 = 100 + 225/210 = 325/210
5. 325/210 simplified gives 65/42
6. So, 20/42 + 75/70 = 65/42
   In mixed form: 123/42

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