Answers

Add 4/60 and 15/45

4/60 + 15/45 is 2/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   4/60 = 4 × 3/60 × 3 = 12/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   15/45 = 15 × 4/45 × 4 = 60/180
4. Add the two like fractions:
   12/180 + 60/180 = 12 + 60/180 = 72/180
5. 72/180 simplified gives 2/5
6. So, 4/60 + 15/45 = 2/5

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