Answers

Add 7/90 and 84/10

1^st number: 7/90, 2^nd number: 8 4/10

7/90 + 84/10 is 763/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   7/90 = 7 × 1/90 × 1 = 7/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   84/10 = 84 × 9/10 × 9 = 756/90
4. Add the two like fractions:
   7/90 + 756/90 = 7 + 756/90 = 763/90
5. So, 7/90 + 84/10 = 763/90
   In mixed form: 843/90

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