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

Subtract 80/49 from 2/20

1^st number: 2/20, 2^nd number: 1 31/49

2/20 - 80/49 is -751/490.

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,
2/20 = 2 × 49/20 × 49 = 98/980
Likewise, for the 2nd fraction, since 49 × 20 = 980,
80/49 = 80 × 20/49 × 20 = 1600/980
Subtract the two like fractions:
98/980 - 1600/980 = 98 - 1600/980 = -1502/980
After reducing the fraction, the answer is -751/490

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