Answers

Add 21/54 and 54/28

1^st number: 21/54, 2^nd number: 1 26/28

21/54 + 54/28 is 146/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 28 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 54 × 14 = 756,
   21/54 = 21 × 14/54 × 14 = 294/756
3. Likewise, for the 2nd fraction, since 28 × 27 = 756,
   54/28 = 54 × 27/28 × 27 = 1458/756
4. Add the two like fractions:
   294/756 + 1458/756 = 294 + 1458/756 = 1752/756
5. 1752/756 simplified gives 146/63
6. So, 21/54 + 54/28 = 146/63
   In mixed form: 220/63

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