Subtract 10/25 from 20/45
20/45 - 10/25 is 2/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
20/45 = 20 × 5/45 × 5 = 100/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
10/25 = 10 × 9/25 × 9 = 90/225 - Subtract the two like fractions:
100/225 - 90/225 = 100 - 90/225 = 10/225 - After reducing the fraction, the answer is 2/45
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