Answers

Add 5/60 and 42/90

5/60 + 42/90 is 11/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   5/60 = 5 × 3/60 × 3 = 15/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   42/90 = 42 × 2/90 × 2 = 84/180
4. Add the two like fractions:
   15/180 + 84/180 = 15 + 84/180 = 99/180
5. 99/180 simplified gives 11/20
6. So, 5/60 + 42/90 = 11/20

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