Answers

Add 50/2 and 21/60

1^st number: 25 0/2, 2^nd number: 21/60

50/2 + 21/60 is 507/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 2 × 30 = 60,
   50/2 = 50 × 30/2 × 30 = 1500/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   21/60 = 21 × 1/60 × 1 = 21/60
4. Add the two like fractions:
   1500/60 + 21/60 = 1500 + 21/60 = 1521/60
5. 1521/60 simplified gives 507/20
6. So, 50/2 + 21/60 = 507/20
   In mixed form: 257/20

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