Subtract 18/8 from 2/30
1st number: 2/30, 2nd number: 2 2/8
2/30 - 18/8 is -131/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
2/30 = 2 × 4/30 × 4 = 8/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120 - Subtract the two like fractions:
8/120 - 270/120 = 8 - 270/120 = -262/120 - After reducing the fraction, the answer is -131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-18/8 2/30-36/8 2/60-18/8 2/30-18/16 6/30-18/8 2/30-54/8 2/90-18/8 2/30-18/24 10/30-18/8 2/30-90/8 2/30-18/40 14/30-18/8 2/30-18/56