Subtract 4/49 from 10/20, Solve 10/20

Subtract 4/49 from 10/20

10/20 - 4/49 is 41/98.

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,
10/20 = 10 × 49/20 × 49 = 490/980
Likewise, for the 2nd fraction, since 49 × 20 = 980,
4/49 = 4 × 20/49 × 20 = 80/980
Subtract the two like fractions:
490/980 - 80/980 = 490 - 80/980 = 410/980
After reducing the fraction, the answer is 41/98

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