Subtract 6/5 from 45/70
1st number: 45/70, 2nd number: 1 1/5
45/70 - 6/5 is -39/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
6/5 = 6 × 14/5 × 14 = 84/70 - Subtract the two like fractions:
45/70 - 84/70 = 45 - 84/70 = -39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-6/5 45/70-12/5 45/70-6/10 45/70-18/5 45/70-6/15 45/70-30/5 45/70-6/25 45/70-42/5 45/70-6/35