Answers

Add 70/16 and 63/84

1^st number: 4 6/16, 2^nd number: 63/84

70/16 + 63/84 is 41/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 84 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 16 × 21 = 336,
   70/16 = 70 × 21/16 × 21 = 1470/336
3. Likewise, for the 2nd fraction, since 84 × 4 = 336,
   63/84 = 63 × 4/84 × 4 = 252/336
4. Add the two like fractions:
   1470/336 + 252/336 = 1470 + 252/336 = 1722/336
5. 1722/336 simplified gives 41/8
6. So, 70/16 + 63/84 = 41/8
   In mixed form: 51/8

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