Answers

Add 90/40 and 10/90

1^st number: 2 10/40, 2^nd number: 10/90

90/40 + 10/90 is 85/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   90/40 = 90 × 9/40 × 9 = 810/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   10/90 = 10 × 4/90 × 4 = 40/360
4. Add the two like fractions:
   810/360 + 40/360 = 810 + 40/360 = 850/360
5. 850/360 simplified gives 85/36
6. So, 90/40 + 10/90 = 85/36
   In mixed form: 213/36

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