Answers

Add 90/98 and 63/45

1^st number: 90/98, 2^nd number: 1 18/45

90/98 + 63/45 is 568/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 45 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 98 × 45 = 4410,
   90/98 = 90 × 45/98 × 45 = 4050/4410
3. Likewise, for the 2nd fraction, since 45 × 98 = 4410,
   63/45 = 63 × 98/45 × 98 = 6174/4410
4. Add the two like fractions:
   4050/4410 + 6174/4410 = 4050 + 6174/4410 = 10224/4410
5. 10224/4410 simplified gives 568/245
6. So, 90/98 + 63/45 = 568/245
   In mixed form: 278/245

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