Answers

Subtract 10/9 from 64/90

1^st number: 64/90, 2^nd number: 1 1/9

64/90 - 10/9 is -2/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 9 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   64/90 = 64 × 1/90 × 1 = 64/90
3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
   10/9 = 10 × 10/9 × 10 = 100/90
4. Subtract the two like fractions:
   64/90 - 100/90 = 64 - 100/90 = -36/90
5. After reducing the fraction, the answer is -2/5

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