Answers

Add 25/80 and 35/20

1^st number: 25/80, 2^nd number: 1 15/20

25/80 + 35/20 is 33/16.

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,
   25/80 = 25 × 1/80 × 1 = 25/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   35/20 = 35 × 4/20 × 4 = 140/80
4. Add the two like fractions:
   25/80 + 140/80 = 25 + 140/80 = 165/80
5. 165/80 simplified gives 33/16
6. So, 25/80 + 35/20 = 33/16
   In mixed form: 21/16

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