Subtract 3/25 from 18/45
18/45 - 3/25 is 7/25.
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,
18/45 = 18 × 5/45 × 5 = 90/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
3/25 = 3 × 9/25 × 9 = 27/225 - Subtract the two like fractions:
90/225 - 27/225 = 90 - 27/225 = 63/225 - After reducing the fraction, the answer is 7/25
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