Answers

Add 75/12 and 21/54

1^st number: 6 3/12, 2^nd number: 21/54

75/12 + 21/54 is 239/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 54 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 12 × 9 = 108,
   75/12 = 75 × 9/12 × 9 = 675/108
3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
   21/54 = 21 × 2/54 × 2 = 42/108
4. Add the two like fractions:
   675/108 + 42/108 = 675 + 42/108 = 717/108
5. 717/108 simplified gives 239/36
6. So, 75/12 + 21/54 = 239/36
   In mixed form: 623/36

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