Subtract 20/35 from 2/18
2/18 - 20/35 is -29/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
2/18 = 2 × 35/18 × 35 = 70/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
20/35 = 20 × 18/35 × 18 = 360/630 - Subtract the two like fractions:
70/630 - 360/630 = 70 - 360/630 = -290/630 - After reducing the fraction, the answer is -29/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-20/35 2/18-40/35 2/36-20/35 2/18-20/70 6/18-20/35 2/18-60/35 2/54-20/35 10/18-20/35 2/90-20/35 14/18-20/35