Subtract 81/98 from 28/18
1st number: 1 10/18, 2nd number: 81/98
28/18 - 81/98 is 643/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
28/18 = 28 × 49/18 × 49 = 1372/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
81/98 = 81 × 9/98 × 9 = 729/882 - Subtract the two like fractions:
1372/882 - 729/882 = 1372 - 729/882 = 643/882
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