Subtract 4/8 from 1/72
1/72 - 4/8 is -35/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
4/8 = 4 × 9/8 × 9 = 36/72 - Subtract the two like fractions:
1/72 - 36/72 = 1 - 36/72 = -35/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72-4/8 1/72-4/16 3/72-4/8 1/72-12/8 1/72-4/24 5/72-4/8 1/72-20/8 1/72-4/40 7/72-4/8 1/72-28/8 1/72-4/56