Answers

Add 80/30 and 21/54

1^st number: 2 20/30, 2^nd number: 21/54

80/30 + 21/54 is 55/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 30 × 9 = 270,
   80/30 = 80 × 9/30 × 9 = 720/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   21/54 = 21 × 5/54 × 5 = 105/270
4. Add the two like fractions:
   720/270 + 105/270 = 720 + 105/270 = 825/270
5. 825/270 simplified gives 55/18
6. So, 80/30 + 21/54 = 55/18
   In mixed form: 31/18

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