Answers

Add 10/5 and 25/20

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

10/5 + 25/20 is 13/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 5 × 4 = 20,
   10/5 = 10 × 4/5 × 4 = 40/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   25/20 = 25 × 1/20 × 1 = 25/20
4. Add the two like fractions:
   40/20 + 25/20 = 40 + 25/20 = 65/20
5. 65/20 simplified gives 13/4
6. So, 10/5 + 25/20 = 13/4
   In mixed form: 31/4

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