Subtract 45/50 from 2/4
2/4 - 45/50 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
2/4 = 2 × 25/4 × 25 = 50/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
45/50 = 45 × 2/50 × 2 = 90/100 - Subtract the two like fractions:
50/100 - 90/100 = 50 - 90/100 = -40/100 - After reducing the fraction, the answer is -2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-90/50 2/8-45/50 6/4-45/50 2/12-45/50 10/4-45/50 2/20-45/50 14/4-45/50 2/28-45/50