Answers

Subtract 40/9 from 90/5

1^st number: 18 0/5, 2^nd number: 4 4/9

90/5 - 40/9 is 122/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 9 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 5 × 9 = 45,
   90/5 = 90 × 9/5 × 9 = 810/45
3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
   40/9 = 40 × 5/9 × 5 = 200/45
4. Subtract the two like fractions:
   810/45 - 200/45 = 810 - 200/45 = 610/45
5. After reducing the fraction, the answer is 122/9
6. In mixed form: 135/9

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