Answers

Add 75/54 and 70/20

1^st number: 1 21/54, 2^nd number: 3 10/20

75/54 + 70/20 is 44/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   75/54 = 75 × 10/54 × 10 = 750/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   70/20 = 70 × 27/20 × 27 = 1890/540
4. Add the two like fractions:
   750/540 + 1890/540 = 750 + 1890/540 = 2640/540
5. 2640/540 simplified gives 44/9
6. So, 75/54 + 70/20 = 44/9
   In mixed form: 48/9

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