Subtract 8/30 from 30/27
1st number: 1 3/27, 2nd number: 8/30
30/27 - 8/30 is 38/45.
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,
30/27 = 30 × 10/27 × 10 = 300/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
8/30 = 8 × 9/30 × 9 = 72/270 - Subtract the two like fractions:
300/270 - 72/270 = 300 - 72/270 = 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: 60/27-8/30 30/27-16/30 30/54-8/30 30/27-8/60 90/27-8/30 30/27-24/30 30/81-8/30 30/27-8/90 30/27-40/30 30/27-56/30