Subtract 9/98 from 9/72
9/72 - 9/98 is 13/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
9/72 = 9 × 49/72 × 49 = 441/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
9/98 = 9 × 36/98 × 36 = 324/3528 - Subtract the two like fractions:
441/3528 - 324/3528 = 441 - 324/3528 = 117/3528 - After reducing the fraction, the answer is 13/392
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