Subtract 28/70 from 6/50
6/50 - 28/70 is -7/25.
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,
28/70 = 28 × 5/70 × 5 = 140/350 - Subtract the two like fractions:
42/350 - 140/350 = 42 - 140/350 = -98/350 - After reducing the fraction, the answer is -7/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/50-28/70 6/50-56/70 18/50-28/70 6/50-84/70 30/50-28/70 42/50-28/70