Subtract 45/50 from 7/10
7/10 - 45/50 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
7/10 = 7 × 5/10 × 5 = 35/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
45/50 = 45 × 1/50 × 1 = 45/50 - Subtract the two like fractions:
35/50 - 45/50 = 35 - 45/50 = -10/50 - After reducing the fraction, the answer is -1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-45/50 7/10-90/50 7/20-45/50 21/10-45/50 7/30-45/50 35/10-45/50 7/50-45/50 49/10-45/50 7/70-45/50