Subtract 49/72 from 3/5
3/5 - 49/72 is -29/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
3/5 = 3 × 72/5 × 72 = 216/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
49/72 = 49 × 5/72 × 5 = 245/360 - Subtract the two like fractions:
216/360 - 245/360 = 216 - 245/360 = -29/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-49/72 3/5-98/72 3/10-49/72 9/5-49/72 3/15-49/72 15/5-49/72 3/25-49/72 21/5-49/72 3/35-49/72