Subtract 45/10 from 5/70
1st number: 5/70, 2nd number: 4 5/10
5/70 - 45/10 is -31/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
5/70 = 5 × 1/70 × 1 = 5/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
45/10 = 45 × 7/10 × 7 = 315/70 - Subtract the two like fractions:
5/70 - 315/70 = 5 - 315/70 = -310/70 - After reducing the fraction, the answer is -31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70-45/10 5/70-90/10 5/70-45/20 15/70-45/10 5/70-45/30 25/70-45/10 5/70-45/50 35/70-45/10 5/70-45/70