Answers

Add 50/21 and 16/60

1^st number: 2 8/21, 2^nd number: 16/60

50/21 + 16/60 is 278/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 21 × 20 = 420,
   50/21 = 50 × 20/21 × 20 = 1000/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   16/60 = 16 × 7/60 × 7 = 112/420
4. Add the two like fractions:
   1000/420 + 112/420 = 1000 + 112/420 = 1112/420
5. 1112/420 simplified gives 278/105
6. So, 50/21 + 16/60 = 278/105
   In mixed form: 268/105

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