Subtract 30/60 from 1/30
1/30 - 30/60 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
1/30 = 1 × 2/30 × 2 = 2/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
30/60 = 30 × 1/60 × 1 = 30/60 - Subtract the two like fractions:
2/60 - 30/60 = 2 - 30/60 = -28/60 - After reducing the fraction, the answer is -7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-30/60 1/60-30/60 3/30-30/60 1/30-90/60 1/90-30/60 5/30-30/60 7/30-30/60