Answers

Add 21/60 and 49/16

1^st number: 21/60, 2^nd number: 3 1/16

21/60 + 49/16 is 273/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   21/60 = 21 × 4/60 × 4 = 84/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   49/16 = 49 × 15/16 × 15 = 735/240
4. Add the two like fractions:
   84/240 + 735/240 = 84 + 735/240 = 819/240
5. 819/240 simplified gives 273/80
6. So, 21/60 + 49/16 = 273/80
   In mixed form: 333/80

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