Answers

Add 30/54 and 90/20

1^st number: 30/54, 2^nd number: 4 10/20

30/54 + 90/20 is 91/18.

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,
   30/54 = 30 × 10/54 × 10 = 300/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   90/20 = 90 × 27/20 × 27 = 2430/540
4. Add the two like fractions:
   300/540 + 2430/540 = 300 + 2430/540 = 2730/540
5. 2730/540 simplified gives 91/18
6. So, 30/54 + 90/20 = 91/18
   In mixed form: 51/18

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