Answers

Add 40/72 and 84/9

1^st number: 40/72, 2^nd number: 9 3/9

40/72 + 84/9 is 89/9.

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,
   40/72 = 40 × 1/72 × 1 = 40/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   84/9 = 84 × 8/9 × 8 = 672/72
4. Add the two like fractions:
   40/72 + 672/72 = 40 + 672/72 = 712/72
5. 712/72 simplified gives 89/9
6. So, 40/72 + 84/9 = 89/9
   In mixed form: 98/9

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