Subtract 45/50 from 7/14
7/14 - 45/50 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 14 × 25 = 350,
7/14 = 7 × 25/14 × 25 = 175/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
45/50 = 45 × 7/50 × 7 = 315/350 - Subtract the two like fractions:
175/350 - 315/350 = 175 - 315/350 = -140/350 - 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: 7/14-90/50 7/28-45/50 21/14-45/50 7/42-45/50 35/14-45/50 7/70-45/50 49/14-45/50 7/98-45/50