Subtract 15/90 from 14/54
14/54 - 15/90 is 5/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
14/54 = 14 × 5/54 × 5 = 70/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
15/90 = 15 × 3/90 × 3 = 45/270 - Subtract the two like fractions:
70/270 - 45/270 = 70 - 45/270 = 25/270 - After reducing the fraction, the answer is 5/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/54-15/90 14/54-30/90 42/54-15/90 14/54-45/90 70/54-15/90 14/54-75/90 98/54-15/90