Answers

Add 80/16 and 42/20

1^st number: 5 0/16, 2^nd number: 2 2/20

80/16 + 42/20 is 71/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   80/16 = 80 × 5/16 × 5 = 400/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   42/20 = 42 × 4/20 × 4 = 168/80
4. Add the two like fractions:
   400/80 + 168/80 = 400 + 168/80 = 568/80
5. 568/80 simplified gives 71/10
6. So, 80/16 + 42/20 = 71/10
   In mixed form: 71/10

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