Subtract 70/30 from 12/50
1st number: 12/50, 2nd number: 2 10/30
12/50 - 70/30 is -157/75.
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,
12/50 = 12 × 3/50 × 3 = 36/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
70/30 = 70 × 5/30 × 5 = 350/150 - Subtract the two like fractions:
36/150 - 350/150 = 36 - 350/150 = -314/150 - After reducing the fraction, the answer is -157/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/50-70/30 12/50-70/60 36/50-70/30 12/50-70/90 60/50-70/30 84/50-70/30