Answers

Add 45/63 and 42/98

45/63 + 42/98 is 8/7.

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,
   45/63 = 45 × 14/63 × 14 = 630/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   42/98 = 42 × 9/98 × 9 = 378/882
4. Add the two like fractions:
   630/882 + 378/882 = 630 + 378/882 = 1008/882
5. 1008/882 simplified gives 8/7
6. So, 45/63 + 42/98 = 8/7
   In mixed form: 11/7

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