Subtract 5/54 from 70/90
70/90 - 5/54 is 37/54.
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,
70/90 = 70 × 3/90 × 3 = 210/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
5/54 = 5 × 5/54 × 5 = 25/270 - Subtract the two like fractions:
210/270 - 25/270 = 210 - 25/270 = 185/270 - After reducing the fraction, the answer is 37/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90-10/54 70/90-15/54 70/90-25/54 70/90-35/54