Subtract 7/84 from 4/50
4/50 - 7/84 is -1/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 50 × 42 = 2100,
4/50 = 4 × 42/50 × 42 = 168/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
7/84 = 7 × 25/84 × 25 = 175/2100 - Subtract the two like fractions:
168/2100 - 175/2100 = 168 - 175/2100 = -7/2100 - After reducing the fraction, the answer is -1/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/50-7/84 4/50-14/84 12/50-7/84 4/50-21/84 20/50-7/84 4/50-35/84 28/50-7/84 4/50-49/84