Subtract 9/70 from 6/50
6/50 - 9/70 is -3/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
6/50 = 6 × 7/50 × 7 = 42/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
9/70 = 9 × 5/70 × 5 = 45/350 - Subtract the two like fractions:
42/350 - 45/350 = 42 - 45/350 = -3/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/50-9/70 6/50-18/70 18/50-9/70 6/50-27/70 30/50-9/70 6/50-45/70 42/50-9/70 6/50-63/70