Subtract 3/40 from 24/35
24/35 - 3/40 is 171/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
24/35 = 24 × 8/35 × 8 = 192/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
3/40 = 3 × 7/40 × 7 = 21/280 - Subtract the two like fractions:
192/280 - 21/280 = 192 - 21/280 = 171/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/35-3/40 24/35-6/40 24/70-3/40 24/35-3/80 72/35-3/40 24/35-9/40 24/35-15/40 24/35-21/40