Subtract 4/27 from 7/30
7/30 - 4/27 is 23/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
7/30 = 7 × 9/30 × 9 = 63/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
4/27 = 4 × 10/27 × 10 = 40/270 - Subtract the two like fractions:
63/270 - 40/270 = 63 - 40/270 = 23/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-4/27 7/30-8/27 7/60-4/27 7/30-4/54 21/30-4/27 7/30-12/27 7/90-4/27 7/30-4/81 35/30-4/27 7/30-20/27 49/30-4/27 7/30-28/27