Subtract 28/98 from 7/9
7/9 - 28/98 is 31/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 9 × 98 = 882,
7/9 = 7 × 98/9 × 98 = 686/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
28/98 = 28 × 9/98 × 9 = 252/882 - Subtract the two like fractions:
686/882 - 252/882 = 686 - 252/882 = 434/882 - After reducing the fraction, the answer is 31/63
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