Subtract 40/98 from 35/72
35/72 - 40/98 is 275/3528.
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,
35/72 = 35 × 49/72 × 49 = 1715/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
40/98 = 40 × 36/98 × 36 = 1440/3528 - Subtract the two like fractions:
1715/3528 - 1440/3528 = 1715 - 1440/3528 = 275/3528
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-40/98 35/72-80/98