Subtract 4/9 from 54/80
54/80 - 4/9 is 83/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
54/80 = 54 × 9/80 × 9 = 486/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
4/9 = 4 × 80/9 × 80 = 320/720 - Subtract the two like fractions:
486/720 - 320/720 = 486 - 320/720 = 166/720 - After reducing the fraction, the answer is 83/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80-8/9 54/80-4/18 54/80-12/9 54/80-4/27 54/80-20/9 54/80-4/45 54/80-28/9 54/80-4/63