Answers

Add 80/20 and 42/3

1^st number: 4 0/20, 2^nd number: 14 0/3

80/20 + 42/3 is 18/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 3 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   80/20 = 80 × 3/20 × 3 = 240/60
3. Likewise, for the 2nd fraction, since 3 × 20 = 60,
   42/3 = 42 × 20/3 × 20 = 840/60
4. Add the two like fractions:
   240/60 + 840/60 = 240 + 840/60 = 1080/60
5. 1080/60 simplified gives 18/1
6. So, 80/20 + 42/3 = 18/1

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