Answers

Add 9/40 and 15/60

9/40 + 15/60 is 19/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   9/40 = 9 × 3/40 × 3 = 27/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   15/60 = 15 × 2/60 × 2 = 30/120
4. Add the two like fractions:
   27/120 + 30/120 = 27 + 30/120 = 57/120
5. 57/120 simplified gives 19/40
6. So, 9/40 + 15/60 = 19/40

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