Subtract 2/8 from 18/28
18/28 - 2/8 is 11/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
2/8 = 2 × 7/8 × 7 = 14/56 - Subtract the two like fractions:
36/56 - 14/56 = 36 - 14/56 = 22/56 - After reducing the fraction, the answer is 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28-2/8 18/28-4/8 18/56-2/8 18/28-2/16 54/28-2/8 18/28-6/8 18/84-2/8 18/28-2/24 90/28-2/8 18/28-10/8 18/28-2/40 18/28-14/8 18/28-2/56