Subtract 18/35 from 4/15
4/15 - 18/35 is -26/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
4/15 = 4 × 7/15 × 7 = 28/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
18/35 = 18 × 3/35 × 3 = 54/105 - Subtract the two like fractions:
28/105 - 54/105 = 28 - 54/105 = -26/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-18/35 4/15-36/35 4/30-18/35 4/15-18/70 12/15-18/35 4/15-54/35 4/45-18/35 20/15-18/35 4/15-90/35 4/75-18/35 28/15-18/35