Subtract 64/30 from 5/20
1st number: 5/20, 2nd number: 2 4/30
5/20 - 64/30 is -113/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
64/30 = 64 × 2/30 × 2 = 128/60 - Subtract the two like fractions:
15/60 - 128/60 = 15 - 128/60 = -113/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-64/30 5/40-64/30 5/20-64/60 15/20-64/30 5/60-64/30 5/20-64/90 25/20-64/30 35/20-64/30