Subtract 24/20 from 9/98, Solve 9/98

Subtract 24/20 from 9/98

1^st number: 9/98, 2^nd number: 1 4/20

9/98 - 24/20 is -543/490.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980

Next, find the equivalent fraction of both fractional numbers with denominator 980
For the 1st fraction, since 98 × 10 = 980,
9/98 = 9 × 10/98 × 10 = 90/980
Likewise, for the 2nd fraction, since 20 × 49 = 980,
24/20 = 24 × 49/20 × 49 = 1176/980
Subtract the two like fractions:
90/980 - 1176/980 = 90 - 1176/980 = -1086/980
After reducing the fraction, the answer is -543/490

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