Answers

Add 72/45 and 90/6

1^st number: 1 27/45, 2^nd number: 15 0/6

72/45 + 90/6 is 83/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 6 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   72/45 = 72 × 2/45 × 2 = 144/90
3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
   90/6 = 90 × 15/6 × 15 = 1350/90
4. Add the two like fractions:
   144/90 + 1350/90 = 144 + 1350/90 = 1494/90
5. 1494/90 simplified gives 83/5
6. So, 72/45 + 90/6 = 83/5
   In mixed form: 163/5

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