Answers

Add 72/27 and 90/30

1^st number: 2 18/27, 2^nd number: 3 0/30

72/27 + 90/30 is 17/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 30 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 27 × 10 = 270,
   72/27 = 72 × 10/27 × 10 = 720/270
3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
   90/30 = 90 × 9/30 × 9 = 810/270
4. Add the two like fractions:
   720/270 + 810/270 = 720 + 810/270 = 1530/270
5. 1530/270 simplified gives 17/3
6. So, 72/27 + 90/30 = 17/3
   In mixed form: 52/3

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