Subtract 35/49 from 9/20
9/20 - 35/49 is -37/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
35/49 = 35 × 20/49 × 20 = 700/980 - Subtract the two like fractions:
441/980 - 700/980 = 441 - 700/980 = -259/980 - After reducing the fraction, the answer is -37/140
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