Answers

Add 42/20 and 42/80

1^st number: 2 2/20, 2^nd number: 42/80

42/20 + 42/80 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   42/20 = 42 × 4/20 × 4 = 168/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   42/80 = 42 × 1/80 × 1 = 42/80
4. Add the two like fractions:
   168/80 + 42/80 = 168 + 42/80 = 210/80
5. 210/80 simplified gives 21/8
6. So, 42/20 + 42/80 = 21/8
   In mixed form: 25/8

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