Subtract 14/70 from 10/40
10/40 - 14/70 is 1/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
14/70 = 14 × 4/70 × 4 = 56/280 - Subtract the two like fractions:
70/280 - 56/280 = 70 - 56/280 = 14/280 - After reducing the fraction, the answer is 1/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40-14/70 10/40-28/70 10/80-14/70 30/40-14/70 10/40-42/70 50/40-14/70 70/40-14/70 10/40-98/70