Answers

Add 45/90 and 80/98

45/90 + 80/98 is 129/98.

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,
   45/90 = 45 × 49/90 × 49 = 2205/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   80/98 = 80 × 45/98 × 45 = 3600/4410
4. Add the two like fractions:
   2205/4410 + 3600/4410 = 2205 + 3600/4410 = 5805/4410
5. 5805/4410 simplified gives 129/98
6. So, 45/90 + 80/98 = 129/98
   In mixed form: 131/98

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