Answers

Add 56/21 and 30/54

1^st number: 2 14/21, 2^nd number: 30/54

56/21 + 30/54 is 29/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 21 × 18 = 378,
   56/21 = 56 × 18/21 × 18 = 1008/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   30/54 = 30 × 7/54 × 7 = 210/378
4. Add the two like fractions:
   1008/378 + 210/378 = 1008 + 210/378 = 1218/378
5. 1218/378 simplified gives 29/9
6. So, 56/21 + 30/54 = 29/9
   In mixed form: 32/9

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