Subtract 20/35 from 1/3
1/3 - 20/35 is -5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 3 × 35 = 105,
1/3 = 1 × 35/3 × 35 = 35/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
20/35 = 20 × 3/35 × 3 = 60/105 - Subtract the two like fractions:
35/105 - 60/105 = 35 - 60/105 = -25/105 - After reducing the fraction, the answer is -5/21
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