Subtract 14/70 from 14/20
14/20 - 14/70 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
14/20 = 14 × 7/20 × 7 = 98/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
14/70 = 14 × 2/70 × 2 = 28/140 - Subtract the two like fractions:
98/140 - 28/140 = 98 - 28/140 = 70/140 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20-14/70 14/20-28/70 14/40-14/70 42/20-14/70 14/20-42/70 14/60-14/70 70/20-14/70 98/20-14/70 14/20-98/70