Answers

Add 40/90 and 64/3

1^st number: 40/90, 2^nd number: 21 1/3

40/90 + 64/3 is 196/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 3 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   40/90 = 40 × 1/90 × 1 = 40/90
3. Likewise, for the 2nd fraction, since 3 × 30 = 90,
   64/3 = 64 × 30/3 × 30 = 1920/90
4. Add the two like fractions:
   40/90 + 1920/90 = 40 + 1920/90 = 1960/90
5. 1960/90 simplified gives 196/9
6. So, 40/90 + 64/3 = 196/9
   In mixed form: 217/9

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