Subtract 14/18 from 14/70
14/70 - 14/18 is -26/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
14/70 = 14 × 9/70 × 9 = 126/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
14/18 = 14 × 35/18 × 35 = 490/630 - Subtract the two like fractions:
126/630 - 490/630 = 126 - 490/630 = -364/630 - After reducing the fraction, the answer is -26/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70-14/18 14/70-28/18 14/70-14/36 42/70-14/18 14/70-42/18 14/70-14/54 14/70-70/18 14/70-14/90 98/70-14/18 14/70-98/18