Subtract 3/24 from 28/30
28/30 - 3/24 is 97/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
28/30 = 28 × 4/30 × 4 = 112/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120 - Subtract the two like fractions:
112/120 - 15/120 = 112 - 15/120 = 97/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-3/24 28/30-6/24 28/60-3/24 28/30-3/48 84/30-3/24 28/30-9/24 28/90-3/24 28/30-3/72 28/30-15/24 28/30-21/24