Subtract 9/49 from 1/72
1/72 - 9/49 is -599/3528.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
1/72 = 1 × 49/72 × 49 = 49/3528 - Likewise, for the 2nd fraction, since 49 × 72 = 3528,
9/49 = 9 × 72/49 × 72 = 648/3528 - Subtract the two like fractions:
49/3528 - 648/3528 = 49 - 648/3528 = -599/3528
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72-9/49 1/72-18/49 1/72-9/98 3/72-9/49 1/72-27/49 5/72-9/49 1/72-45/49 7/72-9/49 1/72-63/49