Subtract 24/50 from 20/84
20/84 - 24/50 is -127/525.
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,
20/84 = 20 × 25/84 × 25 = 500/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
24/50 = 24 × 42/50 × 42 = 1008/2100 - Subtract the two like fractions:
500/2100 - 1008/2100 = 500 - 1008/2100 = -508/2100 - After reducing the fraction, the answer is -127/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84-24/50 20/84-48/50 60/84-24/50 20/84-72/50