Answers

Add 3/60 and 9/72

3/60 + 9/72 is 7/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 60 × 6 = 360,
   3/60 = 3 × 6/60 × 6 = 18/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   9/72 = 9 × 5/72 × 5 = 45/360
4. Add the two like fractions:
   18/360 + 45/360 = 18 + 45/360 = 63/360
5. 63/360 simplified gives 7/40
6. So, 3/60 + 9/72 = 7/40

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