Answers

Add 84/21 and 30/48

1^st number: 4 0/21, 2^nd number: 30/48

84/21 + 30/48 is 37/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 21 × 16 = 336,
   84/21 = 84 × 16/21 × 16 = 1344/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   30/48 = 30 × 7/48 × 7 = 210/336
4. Add the two like fractions:
   1344/336 + 210/336 = 1344 + 210/336 = 1554/336
5. 1554/336 simplified gives 37/8
6. So, 84/21 + 30/48 = 37/8
   In mixed form: 45/8

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