Answers

Add 40/18 and 15/20

1^st number: 2 4/18, 2^nd number: 15/20

40/18 + 15/20 is 107/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   40/18 = 40 × 10/18 × 10 = 400/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   15/20 = 15 × 9/20 × 9 = 135/180
4. Add the two like fractions:
   400/180 + 135/180 = 400 + 135/180 = 535/180
5. 535/180 simplified gives 107/36
6. So, 40/18 + 15/20 = 107/36
   In mixed form: 235/36

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