Subtract 4/14 from 36/40
36/40 - 4/14 is 43/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
4/14 = 4 × 20/14 × 20 = 80/280 - Subtract the two like fractions:
252/280 - 80/280 = 252 - 80/280 = 172/280 - After reducing the fraction, the answer is 43/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40-4/14 36/40-8/14 36/80-4/14 36/40-4/28 36/40-12/14 36/40-4/42 36/40-20/14 36/40-4/70 36/40-28/14 36/40-4/98