Subtract 4/40 from 35/80
35/80 - 4/40 is 27/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
35/80 = 35 × 1/80 × 1 = 35/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
4/40 = 4 × 2/40 × 2 = 8/80 - Subtract the two like fractions:
35/80 - 8/80 = 35 - 8/80 = 27/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80-4/40 35/80-8/40 35/80-4/80 35/80-12/40 35/80-20/40 35/80-28/40