Subtract 8/30 from 7/50
7/50 - 8/30 is -19/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
7/50 = 7 × 3/50 × 3 = 21/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
8/30 = 8 × 5/30 × 5 = 40/150 - Subtract the two like fractions:
21/150 - 40/150 = 21 - 40/150 = -19/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50-8/30 7/50-16/30 7/50-8/60 21/50-8/30 7/50-24/30 7/50-8/90 35/50-8/30 7/50-40/30 49/50-8/30 7/50-56/30