Answers

Add 28/90 and 90/49

1^st number: 28/90, 2^nd number: 1 41/49

28/90 + 90/49 is 4736/2205.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 49 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 90 × 49 = 4410,
   28/90 = 28 × 49/90 × 49 = 1372/4410
3. Likewise, for the 2nd fraction, since 49 × 90 = 4410,
   90/49 = 90 × 90/49 × 90 = 8100/4410
4. Add the two like fractions:
   1372/4410 + 8100/4410 = 1372 + 8100/4410 = 9472/4410
5. 9472/4410 simplified gives 4736/2205
6. So, 28/90 + 90/49 = 4736/2205
   In mixed form: 2326/2205

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