Subtract 45/25 from 9/18
1st number: 9/18, 2nd number: 1 20/25
9/18 - 45/25 is -13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
9/18 = 9 × 25/18 × 25 = 225/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
45/25 = 45 × 18/25 × 18 = 810/450 - Subtract the two like fractions:
225/450 - 810/450 = 225 - 810/450 = -585/450 - After reducing the fraction, the answer is -13/10
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