Subtract 4/18 from 35/72
35/72 - 4/18 is 19/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
35/72 = 35 × 1/72 × 1 = 35/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
4/18 = 4 × 4/18 × 4 = 16/72 - Subtract the two like fractions:
35/72 - 16/72 = 35 - 16/72 = 19/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-4/18 35/72-8/18 35/72-4/36 35/72-12/18 35/72-4/54 35/72-20/18 35/72-4/90 35/72-28/18