Subtract 14/70 from 35/90
35/90 - 14/70 is 17/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
35/90 = 35 × 7/90 × 7 = 245/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
14/70 = 14 × 9/70 × 9 = 126/630 - Subtract the two like fractions:
245/630 - 126/630 = 245 - 126/630 = 119/630 - After reducing the fraction, the answer is 17/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90-14/70 35/90-28/70 35/90-42/70 35/90-98/70