Answers

Add 15/90 and 9/72

15/90 + 9/72 is 7/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   15/90 = 15 × 4/90 × 4 = 60/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   9/72 = 9 × 5/72 × 5 = 45/360
4. Add the two like fractions:
   60/360 + 45/360 = 60 + 45/360 = 105/360
5. 105/360 simplified gives 7/24
6. So, 15/90 + 9/72 = 7/24

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