Answers

Add 84/9 and 7/72

1^st number: 9 3/9, 2^nd number: 7/72

84/9 + 7/72 is 679/72.

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,
   84/9 = 84 × 8/9 × 8 = 672/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   7/72 = 7 × 1/72 × 1 = 7/72
4. Add the two like fractions:
   672/72 + 7/72 = 672 + 7/72 = 679/72
5. So, 84/9 + 7/72 = 679/72
   In mixed form: 931/72

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