Subtract 27/20 from 4/50
1st number: 4/50, 2nd number: 1 7/20
4/50 - 27/20 is -127/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
4/50 = 4 × 2/50 × 2 = 8/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
27/20 = 27 × 5/20 × 5 = 135/100 - Subtract the two like fractions:
8/100 - 135/100 = 8 - 135/100 = -127/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/50-27/20 4/50-54/20 4/50-27/40 12/50-27/20 4/50-81/20 4/50-27/60 20/50-27/20 28/50-27/20