Subtract 28/30 from 9/60
9/60 - 28/30 is -47/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
9/60 = 9 × 1/60 × 1 = 9/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
28/30 = 28 × 2/30 × 2 = 56/60 - Subtract the two like fractions:
9/60 - 56/60 = 9 - 56/60 = -47/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/60-28/30 9/60-56/30 9/60-28/60 27/60-28/30 9/60-84/30 9/60-28/90 45/60-28/30 63/60-28/30