Answers

Subtract 9/10 from 3/4

3/4 - 9/10 is -3/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 10 is 20
2. For the 1st fraction, since 4 × 5 = 20,
   3/4 = 3 × 5/4 × 5 = 15/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   9/10 = 9 × 2/10 × 2 = 18/20
4. Subtract the two fractions:
   15/20 - 18/20 = 15 - 18/20 = -3/20

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