Subtract 30/27 from 8/30
1st number: 8/30, 2nd number: 1 3/27
8/30 - 30/27 is -38/45.
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,
8/30 = 8 × 9/30 × 9 = 72/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Subtract the two like fractions:
72/270 - 300/270 = 72 - 300/270 = -228/270 - After reducing the fraction, the answer is -38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-30/27 8/30-60/27 8/60-30/27 8/30-30/54 24/30-30/27 8/30-90/27 8/90-30/27 8/30-30/81 40/30-30/27 56/30-30/27