Subtract 1/80 from 4/28
4/28 - 1/80 is 73/560.
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,
4/28 = 4 × 20/28 × 20 = 80/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
1/80 = 1 × 7/80 × 7 = 7/560 - Subtract the two like fractions:
80/560 - 7/560 = 80 - 7/560 = 73/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28-1/80 4/28-2/80 4/56-1/80 12/28-1/80 4/28-3/80 4/84-1/80 20/28-1/80 4/28-5/80 4/28-7/80