Subtract 4/80 from 18/14
1st number: 1 4/14, 2nd number: 4/80
18/14 - 4/80 is 173/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
18/14 = 18 × 40/14 × 40 = 720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
4/80 = 4 × 7/80 × 7 = 28/560 - Subtract the two like fractions:
720/560 - 28/560 = 720 - 28/560 = 692/560 - After reducing the fraction, the answer is 173/140
- In mixed form: 133/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14-4/80 18/14-8/80 18/28-4/80 54/14-4/80 18/14-12/80 18/42-4/80 90/14-4/80 18/14-20/80 18/70-4/80 18/14-28/80 18/98-4/80