Subtract 9/49 from 14/80, Solve 14/80

Subtract 9/49 from 14/80

14/80 - 9/49 is -17/1960.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 49 is 3920

Next, find the equivalent fraction of both fractional numbers with denominator 3920
For the 1st fraction, since 80 × 49 = 3920,
14/80 = 14 × 49/80 × 49 = 686/3920
Likewise, for the 2nd fraction, since 49 × 80 = 3920,
9/49 = 9 × 80/49 × 80 = 720/3920
Subtract the two like fractions:
686/3920 - 720/3920 = 686 - 720/3920 = -34/3920
After reducing the fraction, the answer is -17/1960

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