Subtract 9/20 from 2/49
2/49 - 9/20 is -401/980.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
2/49 = 2 × 20/49 × 20 = 40/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Subtract the two like fractions:
40/980 - 441/980 = 40 - 441/980 = -401/980
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