Subtract 2/80 from 20/49, Solve 20/49

Subtract 2/80 from 20/49

20/49 - 2/80 is 751/1960.

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

Next, find the equivalent fraction of both fractional numbers with denominator 3920
For the 1st fraction, since 49 × 80 = 3920,
20/49 = 20 × 80/49 × 80 = 1600/3920
Likewise, for the 2nd fraction, since 80 × 49 = 3920,
2/80 = 2 × 49/80 × 49 = 98/3920
Subtract the two like fractions:
1600/3920 - 98/3920 = 1600 - 98/3920 = 1502/3920
After reducing the fraction, the answer is 751/1960

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