Answers

Add 49/20 and 4/90

1^st number: 2 9/20, 2^nd number: 4/90

49/20 + 4/90 is 449/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   49/20 = 49 × 9/20 × 9 = 441/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   4/90 = 4 × 2/90 × 2 = 8/180
4. Add the two like fractions:
   441/180 + 8/180 = 441 + 8/180 = 449/180
5. So, 49/20 + 4/90 = 449/180
   In mixed form: 289/180

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