Subtract 9/72 from 1/98
1/98 - 9/72 is -45/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
1/98 = 1 × 36/98 × 36 = 36/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
9/72 = 9 × 49/72 × 49 = 441/3528 - Subtract the two like fractions:
36/3528 - 441/3528 = 36 - 441/3528 = -405/3528 - After reducing the fraction, the answer is -45/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/98-9/72 1/98-18/72 3/98-9/72 1/98-27/72 5/98-9/72 1/98-45/72 7/98-9/72 1/98-63/72