Answers

Add 40/8 and 60/90

1^st number: 5 0/8, 2^nd number: 60/90

40/8 + 60/90 is 17/3.

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,
   40/8 = 40 × 45/8 × 45 = 1800/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   60/90 = 60 × 4/90 × 4 = 240/360
4. Add the two like fractions:
   1800/360 + 240/360 = 1800 + 240/360 = 2040/360
5. 2040/360 simplified gives 17/3
6. So, 40/8 + 60/90 = 17/3
   In mixed form: 52/3

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