Answers

Add 45/4 and 21/60

1^st number: 11 1/4, 2^nd number: 21/60

45/4 + 21/60 is 58/5.

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,
   45/4 = 45 × 15/4 × 15 = 675/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   21/60 = 21 × 1/60 × 1 = 21/60
4. Add the two like fractions:
   675/60 + 21/60 = 675 + 21/60 = 696/60
5. 696/60 simplified gives 58/5
6. So, 45/4 + 21/60 = 58/5
   In mixed form: 113/5

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