Subtract 75/20 from 8/30
1st number: 8/30, 2nd number: 3 15/20
8/30 - 75/20 is -209/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Subtract the two like fractions:
16/60 - 225/60 = 16 - 225/60 = -209/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-75/20 8/60-75/20 8/30-75/40 24/30-75/20 8/90-75/20 8/30-75/60 40/30-75/20 56/30-75/20