Subtract 2/54 from 30/80
30/80 - 2/54 is 73/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 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 54 × 40 = 2160,
2/54 = 2 × 40/54 × 40 = 80/2160 - Subtract the two like fractions:
810/2160 - 80/2160 = 810 - 80/2160 = 730/2160 - After reducing the fraction, the answer is 73/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80-2/54 30/80-4/54 90/80-2/54 30/80-6/54 30/80-10/54 30/80-14/54