Answers

Add 15/21 and 60/24

1^st number: 15/21, 2^nd number: 2 12/24

15/21 + 60/24 is 45/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   15/21 = 15 × 8/21 × 8 = 120/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   60/24 = 60 × 7/24 × 7 = 420/168
4. Add the two like fractions:
   120/168 + 420/168 = 120 + 420/168 = 540/168
5. 540/168 simplified gives 45/14
6. So, 15/21 + 60/24 = 45/14
   In mixed form: 33/14

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