Answers

Add 21/50 and 42/20

1^st number: 21/50, 2^nd number: 2 2/20

21/50 + 42/20 is 63/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 20 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 50 × 2 = 100,
   21/50 = 21 × 2/50 × 2 = 42/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   42/20 = 42 × 5/20 × 5 = 210/100
4. Add the two like fractions:
   42/100 + 210/100 = 42 + 210/100 = 252/100
5. 252/100 simplified gives 63/25
6. So, 21/50 + 42/20 = 63/25
   In mixed form: 213/25

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