Answers

Add 30/20 and 45/27

1^st number: 1 10/20, 2^nd number: 1 18/27

30/20 + 45/27 is 19/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 27 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   30/20 = 30 × 27/20 × 27 = 810/540
3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
   45/27 = 45 × 20/27 × 20 = 900/540
4. Add the two like fractions:
   810/540 + 900/540 = 810 + 900/540 = 1710/540
5. 1710/540 simplified gives 19/6
6. So, 30/20 + 45/27 = 19/6
   In mixed form: 31/6

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