Subtract 1/5 from 7/30
7/30 - 1/5 is 1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
1/5 = 1 × 6/5 × 6 = 6/30 - Subtract the two like fractions:
7/30 - 6/30 = 7 - 6/30 = 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-1/5 7/30-2/5 7/60-1/5 7/30-1/10 21/30-1/5 7/30-3/5 7/90-1/5 7/30-1/15 35/30-1/5 7/30-1/25 49/30-1/5 7/30-7/5 7/30-1/35