Subtract 12/80 from 3/14
3/14 - 12/80 is 9/140.
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,
3/14 = 3 × 40/14 × 40 = 120/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
12/80 = 12 × 7/80 × 7 = 84/560 - Subtract the two like fractions:
120/560 - 84/560 = 120 - 84/560 = 36/560 - After reducing the fraction, the answer is 9/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14-12/80 3/14-24/80 3/28-12/80 9/14-12/80 3/14-36/80 3/42-12/80 15/14-12/80 3/14-60/80 3/70-12/80 21/14-12/80 3/14-84/80 3/98-12/80