Subtract 40/14 from 25/20
1st number: 1 5/20, 2nd number: 2 12/14
25/20 - 40/14 is -45/28.
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,
25/20 = 25 × 7/20 × 7 = 175/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
40/14 = 40 × 10/14 × 10 = 400/140 - Subtract the two like fractions:
175/140 - 400/140 = 175 - 400/140 = -225/140 - After reducing the fraction, the answer is -45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-40/14 25/20-80/14 25/40-40/14 25/20-40/28 75/20-40/14 25/60-40/14 25/20-40/42 25/20-40/70 25/20-40/98