Subtract 15/40 from 14/28
14/28 - 15/40 is 1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
14/28 = 14 × 10/28 × 10 = 140/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Subtract the two like fractions:
140/280 - 105/280 = 140 - 105/280 = 35/280 - After reducing the fraction, the answer is 1/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-30/40 14/56-15/40 14/28-15/80 42/28-15/40 14/28-45/40 14/84-15/40 70/28-15/40 14/28-75/40 98/28-15/40