Subtract 4/40 from 12/14
12/14 - 4/40 is 53/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
12/14 = 12 × 20/14 × 20 = 240/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Subtract the two like fractions:
240/280 - 28/280 = 240 - 28/280 = 212/280 - After reducing the fraction, the answer is 53/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14-4/40 12/14-8/40 12/28-4/40 12/14-4/80 36/14-4/40 12/14-12/40 12/42-4/40 60/14-4/40 12/14-20/40 12/70-4/40 84/14-4/40 12/14-28/40 12/98-4/40