Subtract 81/9 from 20/98
1st number: 20/98, 2nd number: 9 0/9
20/98 - 81/9 is -431/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 9 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
20/98 = 20 × 9/98 × 9 = 180/882 - Likewise, for the 2nd fraction, since 9 × 98 = 882,
81/9 = 81 × 98/9 × 98 = 7938/882 - Subtract the two like fractions:
180/882 - 7938/882 = 180 - 7938/882 = -7758/882 - After reducing the fraction, the answer is -431/49
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