Answers

Add 45/9 and 40/72

1^st number: 5 0/9, 2^nd number: 40/72

45/9 + 40/72 is 50/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 9 × 8 = 72,
   45/9 = 45 × 8/9 × 8 = 360/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   40/72 = 40 × 1/72 × 1 = 40/72
4. Add the two like fractions:
   360/72 + 40/72 = 360 + 40/72 = 400/72
5. 400/72 simplified gives 50/9
6. So, 45/9 + 40/72 = 50/9
   In mixed form: 55/9

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