Subtract 2/30 from 28/12
1st number: 2 4/12, 2nd number: 2/30
28/12 - 2/30 is 34/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Subtract the two like fractions:
140/60 - 4/60 = 140 - 4/60 = 136/60 - After reducing the fraction, the answer is 34/15
- In mixed form: 24/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-2/30 28/12-4/30 28/24-2/30 28/12-2/60 84/12-2/30 28/12-6/30 28/36-2/30 28/12-2/90 28/12-10/30 28/60-2/30 28/12-14/30 28/84-2/30