Answers

Add 98/21 and 63/84

1^st number: 4 14/21, 2^nd number: 63/84

98/21 + 63/84 is 65/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   98/21 = 98 × 4/21 × 4 = 392/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   63/84 = 63 × 1/84 × 1 = 63/84
4. Add the two like fractions:
   392/84 + 63/84 = 392 + 63/84 = 455/84
5. 455/84 simplified gives 65/12
6. So, 98/21 + 63/84 = 65/12
   In mixed form: 55/12

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