Answers

Subtract 8/9 from 4/10

4/10 - 8/9 is -22/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 9 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   4/10 = 4 × 9/10 × 9 = 36/90
3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
   8/9 = 8 × 10/9 × 10 = 80/90
4. Subtract the two like fractions:
   36/90 - 80/90 = 36 - 80/90 = -44/90
5. After reducing the fraction, the answer is -22/45

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