Subtract 3/30 from 9/27
9/27 - 3/30 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
9/27 = 9 × 10/27 × 10 = 90/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
3/30 = 3 × 9/30 × 9 = 27/270 - Subtract the two like fractions:
90/270 - 27/270 = 90 - 27/270 = 63/270 - After reducing the fraction, the answer is 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/27-3/30 9/27-6/30 9/54-3/30 9/27-3/60 9/27-9/30 9/81-3/30 9/27-3/90 45/27-3/30 9/27-15/30 63/27-3/30 9/27-21/30