Subtract 45/70 from 5/10
5/10 - 45/70 is -1/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
5/10 = 5 × 7/10 × 7 = 35/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Subtract the two like fractions:
35/70 - 45/70 = 35 - 45/70 = -10/70 - After reducing the fraction, the answer is -1/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10-90/70 5/20-45/70 15/10-45/70 5/30-45/70 25/10-45/70 5/50-45/70 35/10-45/70 5/70-45/70