Subtract 80/35 from 3/18
1st number: 3/18, 2nd number: 2 10/35
3/18 - 80/35 is -89/42.
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,
3/18 = 3 × 35/18 × 35 = 105/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
80/35 = 80 × 18/35 × 18 = 1440/630 - Subtract the two like fractions:
105/630 - 1440/630 = 105 - 1440/630 = -1335/630 - After reducing the fraction, the answer is -89/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18-80/35 3/36-80/35 3/18-80/70 9/18-80/35 3/54-80/35 15/18-80/35 3/90-80/35 21/18-80/35