Answers

Add 20/40 and 84/80

1^st number: 20/40, 2^nd number: 1 4/80

20/40 + 84/80 is 31/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   20/40 = 20 × 2/40 × 2 = 40/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   84/80 = 84 × 1/80 × 1 = 84/80
4. Add the two like fractions:
   40/80 + 84/80 = 40 + 84/80 = 124/80
5. 124/80 simplified gives 31/20
6. So, 20/40 + 84/80 = 31/20
   In mixed form: 111/20

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