Subtract 27/10 from 80/35
1st number: 2 10/35, 2nd number: 2 7/10
80/35 - 27/10 is -29/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
80/35 = 80 × 2/35 × 2 = 160/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
27/10 = 27 × 7/10 × 7 = 189/70 - Subtract the two like fractions:
160/70 - 189/70 = 160 - 189/70 = -29/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35-54/10 80/70-27/10 80/35-27/20 80/35-81/10 80/35-27/30 80/35-27/50 80/35-27/70