Subtract 4/9 from 54/90
54/90 - 4/9 is 7/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
4/9 = 4 × 10/9 × 10 = 40/90 - Subtract the two like fractions:
54/90 - 40/90 = 54 - 40/90 = 14/90 - After reducing the fraction, the answer is 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-8/9 54/90-4/18 54/90-12/9 54/90-4/27 54/90-20/9 54/90-4/45 54/90-28/9 54/90-4/63