Answers

Add 35/20 and 18/54

1^st number: 1 15/20, 2^nd number: 18/54

35/20 + 18/54 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   35/20 = 35 × 27/20 × 27 = 945/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   18/54 = 18 × 10/54 × 10 = 180/540
4. Add the two like fractions:
   945/540 + 180/540 = 945 + 180/540 = 1125/540
5. 1125/540 simplified gives 25/12
6. So, 35/20 + 18/54 = 25/12
   In mixed form: 21/12

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