Subtract 3/30 from 28/24
1st number: 1 4/24, 2nd number: 3/30
28/24 - 3/30 is 16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
28/24 = 28 × 5/24 × 5 = 140/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
3/30 = 3 × 4/30 × 4 = 12/120 - Subtract the two like fractions:
140/120 - 12/120 = 140 - 12/120 = 128/120 - After reducing the fraction, the answer is 16/15
- In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-3/30 28/24-6/30 28/48-3/30 28/24-3/60 84/24-3/30 28/24-9/30 28/72-3/30 28/24-3/90 28/24-15/30 28/24-21/30