Subtract 70/14 from 10/20
1st number: 10/20, 2nd number: 5 0/14
10/20 - 70/14 is -9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
10/20 = 10 × 7/20 × 7 = 70/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
70/14 = 70 × 10/14 × 10 = 700/140 - Subtract the two like fractions:
70/140 - 700/140 = 70 - 700/140 = -630/140 - After reducing the fraction, the answer is -9/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-70/14 10/20-70/28 30/20-70/14 10/60-70/14 10/20-70/42 50/20-70/14 70/20-70/14 10/20-70/98