Subtract 18/35 from 20/75
20/75 - 18/35 is -26/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 35 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
20/75 = 20 × 7/75 × 7 = 140/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
18/35 = 18 × 15/35 × 15 = 270/525 - Subtract the two like fractions:
140/525 - 270/525 = 140 - 270/525 = -130/525 - After reducing the fraction, the answer is -26/105
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