Subtract 48/70 from 7/50
7/50 - 48/70 is -191/350.
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,
7/50 = 7 × 7/50 × 7 = 49/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
48/70 = 48 × 5/70 × 5 = 240/350 - Subtract the two like fractions:
49/350 - 240/350 = 49 - 240/350 = -191/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50-48/70 7/50-96/70 21/50-48/70 35/50-48/70 49/50-48/70