Subtract 4/15 from 35/40
35/40 - 4/15 is 73/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
35/40 = 35 × 3/40 × 3 = 105/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
4/15 = 4 × 8/15 × 8 = 32/120 - Subtract the two like fractions:
105/120 - 32/120 = 105 - 32/120 = 73/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-4/15 35/40-8/15 35/80-4/15 35/40-4/30 35/40-12/15 35/40-4/45 35/40-20/15 35/40-4/75 35/40-28/15