Answers

Add 21/48 and 64/30

1^st number: 21/48, 2^nd number: 2 4/30

21/48 + 64/30 is 617/240.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 30 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   21/48 = 21 × 5/48 × 5 = 105/240
3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
   64/30 = 64 × 8/30 × 8 = 512/240
4. Add the two like fractions:
   105/240 + 512/240 = 105 + 512/240 = 617/240
5. So, 21/48 + 64/30 = 617/240
   In mixed form: 2137/240

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