Subtract 3/70 from 28/12
1st number: 2 4/12, 2nd number: 3/70
28/12 - 3/70 is 481/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
28/12 = 28 × 35/12 × 35 = 980/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
3/70 = 3 × 6/70 × 6 = 18/420 - Subtract the two like fractions:
980/420 - 18/420 = 980 - 18/420 = 962/420 - After reducing the fraction, the answer is 481/210
- In mixed form: 261/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-3/70 28/12-6/70 28/24-3/70 84/12-3/70 28/12-9/70 28/36-3/70 28/12-15/70 28/60-3/70 28/12-21/70 28/84-3/70