Subtract 30/25 from 40/45
1st number: 40/45, 2nd number: 1 5/25
40/45 - 30/25 is -14/45.
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,
40/45 = 40 × 5/45 × 5 = 200/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
30/25 = 30 × 9/25 × 9 = 270/225 - Subtract the two like fractions:
200/225 - 270/225 = 200 - 270/225 = -70/225 - After reducing the fraction, the answer is -14/45
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