Answers

Add 90/75 and 90/49

1^st number: 1 15/75, 2^nd number: 1 41/49

90/75 + 90/49 is 744/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 49 is 3675
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3675
2. For the 1st fraction, since 75 × 49 = 3675,
   90/75 = 90 × 49/75 × 49 = 4410/3675
3. Likewise, for the 2nd fraction, since 49 × 75 = 3675,
   90/49 = 90 × 75/49 × 75 = 6750/3675
4. Add the two like fractions:
   4410/3675 + 6750/3675 = 4410 + 6750/3675 = 11160/3675
5. 11160/3675 simplified gives 744/245
6. So, 90/75 + 90/49 = 744/245
   In mixed form: 39/245

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