Answers

Add 7/80 and 84/20

1^st number: 7/80, 2^nd number: 4 4/20

7/80 + 84/20 is 343/80.

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,
   7/80 = 7 × 1/80 × 1 = 7/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   84/20 = 84 × 4/20 × 4 = 336/80
4. Add the two like fractions:
   7/80 + 336/80 = 7 + 336/80 = 343/80
5. So, 7/80 + 84/20 = 343/80
   In mixed form: 423/80

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