Subtract 6/70 from 12/28
12/28 - 6/70 is 12/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
6/70 = 6 × 2/70 × 2 = 12/140 - Subtract the two like fractions:
60/140 - 12/140 = 60 - 12/140 = 48/140 - After reducing the fraction, the answer is 12/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28-6/70 12/28-12/70 12/56-6/70 36/28-6/70 12/28-18/70 12/84-6/70 60/28-6/70 12/28-30/70 84/28-6/70 12/28-42/70