Answers

Add 21/56 and 60/54

1^st number: 21/56, 2^nd number: 1 6/54

21/56 + 60/54 is 107/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 54 is 1512
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1512
2. For the 1st fraction, since 56 × 27 = 1512,
   21/56 = 21 × 27/56 × 27 = 567/1512
3. Likewise, for the 2nd fraction, since 54 × 28 = 1512,
   60/54 = 60 × 28/54 × 28 = 1680/1512
4. Add the two like fractions:
   567/1512 + 1680/1512 = 567 + 1680/1512 = 2247/1512
5. 2247/1512 simplified gives 107/72
6. So, 21/56 + 60/54 = 107/72
   In mixed form: 135/72

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