Answers

Add 5/80 and 72/20

1^st number: 5/80, 2^nd number: 3 12/20

5/80 + 72/20 is 293/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   5/80 = 5 × 1/80 × 1 = 5/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   72/20 = 72 × 4/20 × 4 = 288/80
4. Add the two like fractions:
   5/80 + 288/80 = 5 + 288/80 = 293/80
5. So, 5/80 + 72/20 = 293/80
   In mixed form: 353/80

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