Subtract 90/35 from 14/18
1st number: 14/18, 2nd number: 2 20/35
14/18 - 90/35 is -113/63.
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,
14/18 = 14 × 35/18 × 35 = 490/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
90/35 = 90 × 18/35 × 18 = 1620/630 - Subtract the two like fractions:
490/630 - 1620/630 = 490 - 1620/630 = -1130/630 - After reducing the fraction, the answer is -113/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18-90/35 14/36-90/35 14/18-90/70 42/18-90/35 14/54-90/35 70/18-90/35 14/90-90/35 98/18-90/35