Subtract 4/10 from 1/28
1/28 - 4/10 is -51/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
1/28 = 1 × 5/28 × 5 = 5/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
4/10 = 4 × 14/10 × 14 = 56/140 - Subtract the two like fractions:
5/140 - 56/140 = 5 - 56/140 = -51/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-4/10 1/28-8/10 1/56-4/10 1/28-4/20 3/28-4/10 1/28-12/10 1/84-4/10 1/28-4/30 5/28-4/10 1/28-20/10 1/28-4/50 7/28-4/10 1/28-28/10 1/28-4/70