Subtract 18/10 from 2/30
1st number: 2/30, 2nd number: 1 8/10
2/30 - 18/10 is -26/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
2/30 = 2 × 1/30 × 1 = 2/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
18/10 = 18 × 3/10 × 3 = 54/30 - Subtract the two like fractions:
2/30 - 54/30 = 2 - 54/30 = -52/30 - After reducing the fraction, the answer is -26/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-18/10 2/30-36/10 2/60-18/10 2/30-18/20 6/30-18/10 2/30-54/10 2/90-18/10 2/30-18/30 10/30-18/10 2/30-90/10 2/30-18/50 14/30-18/10 2/30-18/70