Answers

Add 30/54 and 80/45

1^st number: 30/54, 2^nd number: 1 35/45

30/54 + 80/45 is 7/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 45 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   30/54 = 30 × 5/54 × 5 = 150/270
3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
   80/45 = 80 × 6/45 × 6 = 480/270
4. Add the two like fractions:
   150/270 + 480/270 = 150 + 480/270 = 630/270
5. 630/270 simplified gives 7/3
6. So, 30/54 + 80/45 = 7/3
   In mixed form: 21/3

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