Subtract 10/20 from 16/49
16/49 - 10/20 is -17/98.
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,
16/49 = 16 × 20/49 × 20 = 320/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
10/20 = 10 × 49/20 × 49 = 490/980 - Subtract the two like fractions:
320/980 - 490/980 = 320 - 490/980 = -170/980 - After reducing the fraction, the answer is -17/98
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