Subtract 3/20 from 12/98
12/98 - 3/20 is -27/980.
Steps for subtracting fractions
- 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,
12/98 = 12 × 10/98 × 10 = 120/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
3/20 = 3 × 49/20 × 49 = 147/980 - Subtract the two like fractions:
120/980 - 147/980 = 120 - 147/980 = -27/980
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