Answers

Add 40/20 and 45/30

1^st number: 2 0/20, 2^nd number: 1 15/30

40/20 + 45/30 is 7/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   40/20 = 40 × 3/20 × 3 = 120/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   45/30 = 45 × 2/30 × 2 = 90/60
4. Add the two like fractions:
   120/60 + 90/60 = 120 + 90/60 = 210/60
5. 210/60 simplified gives 7/2
6. So, 40/20 + 45/30 = 7/2
   In mixed form: 31/2

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