Subtract 16/20 from 6/30
6/30 - 16/20 is -3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
6/30 = 6 × 2/30 × 2 = 12/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
16/20 = 16 × 3/20 × 3 = 48/60 - Subtract the two like fractions:
12/60 - 48/60 = 12 - 48/60 = -36/60 - After reducing the fraction, the answer is -3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-16/20 6/30-32/20 6/60-16/20 6/30-16/40 18/30-16/20 6/30-48/20 6/90-16/20 6/30-16/60 6/30-80/20 42/30-16/20