Answers

Add 84/10 and 70/90

1^st number: 8 4/10, 2^nd number: 70/90

84/10 + 70/90 is 413/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   84/10 = 84 × 9/10 × 9 = 756/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   70/90 = 70 × 1/90 × 1 = 70/90
4. Add the two like fractions:
   756/90 + 70/90 = 756 + 70/90 = 826/90
5. 826/90 simplified gives 413/45
6. So, 84/10 + 70/90 = 413/45
   In mixed form: 98/45

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