Answers

Add 45/72 and 20/9

1^st number: 45/72, 2^nd number: 2 2/9

45/72 + 20/9 is 205/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 9 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   45/72 = 45 × 1/72 × 1 = 45/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   20/9 = 20 × 8/9 × 8 = 160/72
4. Add the two like fractions:
   45/72 + 160/72 = 45 + 160/72 = 205/72
5. So, 45/72 + 20/9 = 205/72
   In mixed form: 261/72

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