Subtract 1/28 from 8/5
1st number: 1 3/5, 2nd number: 1/28
8/5 - 1/28 is 219/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
8/5 = 8 × 28/5 × 28 = 224/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
1/28 = 1 × 5/28 × 5 = 5/140 - Subtract the two like fractions:
224/140 - 5/140 = 224 - 5/140 = 219/140 - In mixed form: 179/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5-1/28 8/5-2/28 8/10-1/28 8/5-1/56 24/5-1/28 8/5-3/28 8/15-1/28 8/5-1/84 40/5-1/28 8/5-5/28 8/25-1/28 56/5-1/28 8/5-7/28 8/35-1/28