Subtract 4/50 from 1/84
1/84 - 4/50 is -143/2100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
1/84 = 1 × 25/84 × 25 = 25/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
4/50 = 4 × 42/50 × 42 = 168/2100 - Subtract the two like fractions:
25/2100 - 168/2100 = 25 - 168/2100 = -143/2100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-4/50 1/84-8/50 3/84-4/50 1/84-12/50 5/84-4/50 1/84-20/50 7/84-4/50 1/84-28/50