Answers

Add 60/15 and 72/18

1^st number: 4 0/15, 2^nd number: 4 0/18

60/15 + 72/18 is 8/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 18 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 15 × 6 = 90,
   60/15 = 60 × 6/15 × 6 = 360/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   72/18 = 72 × 5/18 × 5 = 360/90
4. Add the two like fractions:
   360/90 + 360/90 = 360 + 360/90 = 720/90
5. 720/90 simplified gives 8/1
6. So, 60/15 + 72/18 = 8/1

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