Subtract 3/60 from 28/80
28/80 - 3/60 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
3/60 = 3 × 4/60 × 4 = 12/240 - Subtract the two like fractions:
84/240 - 12/240 = 84 - 12/240 = 72/240 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80-3/60 28/80-6/60 84/80-3/60 28/80-9/60 28/80-15/60 28/80-21/60