Subtract 1/72 from 3/49
3/49 - 1/72 is 167/3528.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 49 × 72 = 3528,
3/49 = 3 × 72/49 × 72 = 216/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
1/72 = 1 × 49/72 × 49 = 49/3528 - Subtract the two like fractions:
216/3528 - 49/3528 = 216 - 49/3528 = 167/3528
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49-1/72 3/49-2/72 3/98-1/72 9/49-1/72 3/49-3/72 15/49-1/72 3/49-5/72 21/49-1/72 3/49-7/72