Subtract 7/30 from 2/8
2/8 - 7/30 is 1/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
2/8 = 2 × 15/8 × 15 = 30/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
7/30 = 7 × 4/30 × 4 = 28/120 - Subtract the two like fractions:
30/120 - 28/120 = 30 - 28/120 = 2/120 - After reducing the fraction, the answer is 1/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8-7/30 2/8-14/30 2/16-7/30 2/8-7/60 6/8-7/30 2/8-21/30 2/24-7/30 2/8-7/90 10/8-7/30 2/8-35/30 2/40-7/30 14/8-7/30 2/8-49/30 2/56-7/30