Answers

Add 98/45 and 21/54

1^st number: 2 8/45, 2^nd number: 21/54

98/45 + 21/54 is 77/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 45 × 6 = 270,
   98/45 = 98 × 6/45 × 6 = 588/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   21/54 = 21 × 5/54 × 5 = 105/270
4. Add the two like fractions:
   588/270 + 105/270 = 588 + 105/270 = 693/270
5. 693/270 simplified gives 77/30
6. So, 98/45 + 21/54 = 77/30
   In mixed form: 217/30

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