Answers

Add 84/90 and 63/98

84/90 + 63/98 is 331/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 98 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 90 × 49 = 4410,
   84/90 = 84 × 49/90 × 49 = 4116/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   63/98 = 63 × 45/98 × 45 = 2835/4410
4. Add the two like fractions:
   4116/4410 + 2835/4410 = 4116 + 2835/4410 = 6951/4410
5. 6951/4410 simplified gives 331/210
6. So, 84/90 + 63/98 = 331/210
   In mixed form: 1121/210

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