Subtract 42/45 from 1/25
1/25 - 42/45 is -67/75.
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,
1/25 = 1 × 9/25 × 9 = 9/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
42/45 = 42 × 5/45 × 5 = 210/225 - Subtract the two like fractions:
9/225 - 210/225 = 9 - 210/225 = -201/225 - After reducing the fraction, the answer is -67/75
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