Subtract 3/80 from 6/28
6/28 - 3/80 is 99/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
6/28 = 6 × 20/28 × 20 = 120/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560 - Subtract the two like fractions:
120/560 - 21/560 = 120 - 21/560 = 99/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28-3/80 6/28-6/80 6/56-3/80 18/28-3/80 6/28-9/80 6/84-3/80 30/28-3/80 6/28-15/80 42/28-3/80 6/28-21/80