Subtract 25/27 from 30/80
30/80 - 25/27 is -119/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
25/27 = 25 × 80/27 × 80 = 2000/2160 - Subtract the two like fractions:
810/2160 - 2000/2160 = 810 - 2000/2160 = -1190/2160 - After reducing the fraction, the answer is -119/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80-25/27 30/80-50/27 30/80-25/54 90/80-25/27 30/80-75/27 30/80-25/81