Subtract 9/28 from 8/10
8/10 - 9/28 is 67/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
8/10 = 8 × 14/10 × 14 = 112/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
9/28 = 9 × 5/28 × 5 = 45/140 - Subtract the two like fractions:
112/140 - 45/140 = 112 - 45/140 = 67/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-9/28 8/10-18/28 8/20-9/28 8/10-9/56 24/10-9/28 8/10-27/28 8/30-9/28 8/10-9/84 40/10-9/28 8/10-45/28 8/50-9/28 56/10-9/28 8/10-63/28 8/70-9/28