Answers

Add 70/4 and 45/18

1^st number: 17 2/4, 2^nd number: 2 9/18

70/4 + 45/18 is 20/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 18 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 4 × 9 = 36,
   70/4 = 70 × 9/4 × 9 = 630/36
3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
   45/18 = 45 × 2/18 × 2 = 90/36
4. Add the two like fractions:
   630/36 + 90/36 = 630 + 90/36 = 720/36
5. 720/36 simplified gives 20/1
6. So, 70/4 + 45/18 = 20/1

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