Subtract 5/54 from 49/90
49/90 - 5/54 is 61/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
49/90 = 49 × 3/90 × 3 = 147/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
5/54 = 5 × 5/54 × 5 = 25/270 - Subtract the two like fractions:
147/270 - 25/270 = 147 - 25/270 = 122/270 - After reducing the fraction, the answer is 61/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90-5/54 49/90-10/54 49/90-15/54 49/90-25/54 49/90-35/54