Answers

Add 15/60 and 9/15

15/60 + 9/15 is 17/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 15 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   15/60 = 15 × 1/60 × 1 = 15/60
3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
   9/15 = 9 × 4/15 × 4 = 36/60
4. Add the two like fractions:
   15/60 + 36/60 = 15 + 36/60 = 51/60
5. 51/60 simplified gives 17/20
6. So, 15/60 + 9/15 = 17/20

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