Answers

Add 21/4 and 30/60

1^st number: 5 1/4, 2^nd number: 30/60

21/4 + 30/60 is 23/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 4 × 15 = 60,
   21/4 = 21 × 15/4 × 15 = 315/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   30/60 = 30 × 1/60 × 1 = 30/60
4. Add the two like fractions:
   315/60 + 30/60 = 315 + 30/60 = 345/60
5. 345/60 simplified gives 23/4
6. So, 21/4 + 30/60 = 23/4
   In mixed form: 53/4

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