Answers

Add 75/54 and 20/4

1^st number: 1 21/54, 2^nd number: 5 0/4

75/54 + 20/4 is 115/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 4 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   75/54 = 75 × 2/54 × 2 = 150/108
3. Likewise, for the 2nd fraction, since 4 × 27 = 108,
   20/4 = 20 × 27/4 × 27 = 540/108
4. Add the two like fractions:
   150/108 + 540/108 = 150 + 540/108 = 690/108
5. 690/108 simplified gives 115/18
6. So, 75/54 + 20/4 = 115/18
   In mixed form: 67/18

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