Subtract 9/30 from 90/54
1st number: 1 36/54, 2nd number: 9/30
90/54 - 9/30 is 41/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
9/30 = 9 × 9/30 × 9 = 81/270 - Subtract the two like fractions:
450/270 - 81/270 = 450 - 81/270 = 369/270 - After reducing the fraction, the answer is 41/30
- In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54-18/30 90/54-9/60 90/54-27/30 90/54-9/90 90/54-45/30 90/54-63/30