Subtract 2/30 from 18/4
1st number: 4 2/4, 2nd number: 2/30
18/4 - 2/30 is 133/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
18/4 = 18 × 15/4 × 15 = 270/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Subtract the two like fractions:
270/60 - 4/60 = 270 - 4/60 = 266/60 - After reducing the fraction, the answer is 133/30
- In mixed form: 413/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4-2/30 18/4-4/30 18/8-2/30 18/4-2/60 54/4-2/30 18/4-6/30 18/12-2/30 18/4-2/90 90/4-2/30 18/4-10/30 18/20-2/30 18/4-14/30 18/28-2/30