Answers

Add 90/49 and 90/9

1^st number: 1 41/49, 2^nd number: 10 0/9

90/49 + 90/9 is 580/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 9 is 441
   
   Next, find the equivalent fraction of both fractional numbers with denominator 441
2. For the 1st fraction, since 49 × 9 = 441,
   90/49 = 90 × 9/49 × 9 = 810/441
3. Likewise, for the 2nd fraction, since 9 × 49 = 441,
   90/9 = 90 × 49/9 × 49 = 4410/441
4. Add the two like fractions:
   810/441 + 4410/441 = 810 + 4410/441 = 5220/441
5. 5220/441 simplified gives 580/49
6. So, 90/49 + 90/9 = 580/49
   In mixed form: 1141/49

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