Answers

Add 70/8 and 81/90

1^st number: 8 6/8, 2^nd number: 81/90

70/8 + 81/90 is 193/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 8 × 45 = 360,
   70/8 = 70 × 45/8 × 45 = 3150/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   81/90 = 81 × 4/90 × 4 = 324/360
4. Add the two like fractions:
   3150/360 + 324/360 = 3150 + 324/360 = 3474/360
5. 3474/360 simplified gives 193/20
6. So, 70/8 + 81/90 = 193/20
   In mixed form: 913/20

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