Answers

Add 42/63 and 42/98

42/63 + 42/98 is 23/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   42/63 = 42 × 14/63 × 14 = 588/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   42/98 = 42 × 9/98 × 9 = 378/882
4. Add the two like fractions:
   588/882 + 378/882 = 588 + 378/882 = 966/882
5. 966/882 simplified gives 23/21
6. So, 42/63 + 42/98 = 23/21
   In mixed form: 12/21

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