Answers

Add 81/4 and 50/20

1^st number: 20 1/4, 2^nd number: 2 10/20

81/4 + 50/20 is 91/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   81/4 = 81 × 5/4 × 5 = 405/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   50/20 = 50 × 1/20 × 1 = 50/20
4. Add the two like fractions:
   405/20 + 50/20 = 405 + 50/20 = 455/20
5. 455/20 simplified gives 91/4
6. So, 81/4 + 50/20 = 91/4
   In mixed form: 223/4

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