Answers

Add 24/12 and 54/72

1^st number: 2 0/12, 2^nd number: 54/72

24/12 + 54/72 is 11/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 12 × 6 = 72,
   24/12 = 24 × 6/12 × 6 = 144/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   54/72 = 54 × 1/72 × 1 = 54/72
4. Add the two like fractions:
   144/72 + 54/72 = 144 + 54/72 = 198/72
5. 198/72 simplified gives 11/4
6. So, 24/12 + 54/72 = 11/4
   In mixed form: 23/4

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