Answers

Add 84/63 and 98/15

1^st number: 1 21/63, 2^nd number: 6 8/15

84/63 + 98/15 is 118/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 15 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   84/63 = 84 × 5/63 × 5 = 420/315
3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
   98/15 = 98 × 21/15 × 21 = 2058/315
4. Add the two like fractions:
   420/315 + 2058/315 = 420 + 2058/315 = 2478/315
5. 2478/315 simplified gives 118/15
6. So, 84/63 + 98/15 = 118/15
   In mixed form: 713/15

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