Answers

Add 2/90 and 20/30

2/90 + 20/30 is 31/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 30 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   2/90 = 2 × 1/90 × 1 = 2/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   20/30 = 20 × 3/30 × 3 = 60/90
4. Add the two like fractions:
   2/90 + 60/90 = 2 + 60/90 = 62/90
5. 62/90 simplified gives 31/45
6. So, 2/90 + 20/30 = 31/45

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