Subtract 9/45 from 20/25
20/25 - 9/45 is 3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
20/25 = 20 × 9/25 × 9 = 180/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
9/45 = 9 × 5/45 × 5 = 45/225 - Subtract the two like fractions:
180/225 - 45/225 = 180 - 45/225 = 135/225 - After reducing the fraction, the answer is 3/5
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