Subtract 1/30 from 28/24
1st number: 1 4/24, 2nd number: 1/30
28/24 - 1/30 is 17/15.
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,
1/30 = 1 × 4/30 × 4 = 4/120 - Subtract the two like fractions:
140/120 - 4/120 = 140 - 4/120 = 136/120 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-1/30 28/24-2/30 28/48-1/30 28/24-1/60 84/24-1/30 28/24-3/30 28/72-1/30 28/24-1/90 28/24-5/30 28/24-7/30