Subtract 18/70 from 1/8
1/8 - 18/70 is -37/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
1/8 = 1 × 35/8 × 35 = 35/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
18/70 = 18 × 4/70 × 4 = 72/280 - Subtract the two like fractions:
35/280 - 72/280 = 35 - 72/280 = -37/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-18/70 1/8-36/70 1/16-18/70 3/8-18/70 1/8-54/70 1/24-18/70 5/8-18/70 1/8-90/70 1/40-18/70 7/8-18/70 1/56-18/70