Answers

Add 35/20 and 18/90

1^st number: 1 15/20, 2^nd number: 18/90

35/20 + 18/90 is 39/20.

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,
   35/20 = 35 × 9/20 × 9 = 315/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   18/90 = 18 × 2/90 × 2 = 36/180
4. Add the two like fractions:
   315/180 + 36/180 = 315 + 36/180 = 351/180
5. 351/180 simplified gives 39/20
6. So, 35/20 + 18/90 = 39/20
   In mixed form: 119/20

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