Subtract 45/14 from 4/20
1st number: 4/20, 2nd number: 3 3/14
4/20 - 45/14 is -211/70.
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,
4/20 = 4 × 7/20 × 7 = 28/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
45/14 = 45 × 10/14 × 10 = 450/140 - Subtract the two like fractions:
28/140 - 450/140 = 28 - 450/140 = -422/140 - After reducing the fraction, the answer is -211/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20-45/14 4/20-90/14 4/40-45/14 4/20-45/28 12/20-45/14 4/60-45/14 4/20-45/42 4/20-45/70 28/20-45/14 4/20-45/98