Answers

Add 9/20 and 8/10

9/20 + 8/10 is 5/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   9/20 = 9 × 1/20 × 1 = 9/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   8/10 = 8 × 2/10 × 2 = 16/20
4. Add the two like fractions:
   9/20 + 16/20 = 9 + 16/20 = 25/20
5. 25/20 simplified gives 5/4
6. So, 9/20 + 8/10 = 5/4
   In mixed form: 11/4

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