Subtract 30/80 from 8/14
8/14 - 30/80 is 11/56.
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,
8/14 = 8 × 40/14 × 40 = 320/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
30/80 = 30 × 7/80 × 7 = 210/560 - Subtract the two like fractions:
320/560 - 210/560 = 320 - 210/560 = 110/560 - After reducing the fraction, the answer is 11/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-30/80 8/14-60/80 8/28-30/80 24/14-30/80 8/14-90/80 8/42-30/80 40/14-30/80 8/70-30/80 56/14-30/80 8/98-30/80