Subtract 81/8 from 80/35
1st number: 2 10/35, 2nd number: 10 1/8
80/35 - 81/8 is -439/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
80/35 = 80 × 8/35 × 8 = 640/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
81/8 = 81 × 35/8 × 35 = 2835/280 - Subtract the two like fractions:
640/280 - 2835/280 = 640 - 2835/280 = -2195/280 - After reducing the fraction, the answer is -439/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70-81/8 80/35-81/16 80/35-81/24 80/35-81/40 80/35-81/56