Answers

Add 42/20 and 9/16

1^st number: 2 2/20, 2^nd number: 9/16

42/20 + 9/16 is 213/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 16 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 16 × 5 = 80,
   9/16 = 9 × 5/16 × 5 = 45/80
4. Add the two like fractions:
   168/80 + 45/80 = 168 + 45/80 = 213/80
5. So, 42/20 + 9/16 = 213/80
   In mixed form: 253/80

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