Subtract 18/8 from 45/35
1st number: 1 10/35, 2nd number: 2 2/8
45/35 - 18/8 is -27/28.
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,
45/35 = 45 × 8/35 × 8 = 360/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
18/8 = 18 × 35/8 × 35 = 630/280 - Subtract the two like fractions:
360/280 - 630/280 = 360 - 630/280 = -270/280 - After reducing the fraction, the answer is -27/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-18/8 45/35-36/8 45/70-18/8 45/35-18/16 45/35-54/8 45/35-18/24 45/35-90/8 45/35-18/40 45/35-18/56