Subtract 45/7 from 5/70
1st number: 5/70, 2nd number: 6 3/7
5/70 - 45/7 is -89/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 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 7 × 10 = 70,
45/7 = 45 × 10/7 × 10 = 450/70 - Subtract the two like fractions:
5/70 - 450/70 = 5 - 450/70 = -445/70 - After reducing the fraction, the answer is -89/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70-45/7 5/70-90/7 5/70-45/14 15/70-45/7 5/70-45/21 25/70-45/7 5/70-45/35 35/70-45/7 5/70-45/49