Answers

Add 21/8 and 54/27

1^st number: 2 5/8, 2^nd number: 2 0/27

21/8 + 54/27 is 37/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 27 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 8 × 27 = 216,
   21/8 = 21 × 27/8 × 27 = 567/216
3. Likewise, for the 2nd fraction, since 27 × 8 = 216,
   54/27 = 54 × 8/27 × 8 = 432/216
4. Add the two like fractions:
   567/216 + 432/216 = 567 + 432/216 = 999/216
5. 999/216 simplified gives 37/8
6. So, 21/8 + 54/27 = 37/8
   In mixed form: 45/8

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