Answers

Add 4/18 and 90/60

1^st number: 4/18, 2^nd number: 1 30/60

4/18 + 90/60 is 31/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   4/18 = 4 × 10/18 × 10 = 40/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   90/60 = 90 × 3/60 × 3 = 270/180
4. Add the two like fractions:
   40/180 + 270/180 = 40 + 270/180 = 310/180
5. 310/180 simplified gives 31/18
6. So, 4/18 + 90/60 = 31/18
   In mixed form: 113/18

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