Subtract 18/30 from 30/14
1st number: 2 2/14, 2nd number: 18/30
30/14 - 18/30 is 54/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
30/14 = 30 × 15/14 × 15 = 450/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Subtract the two like fractions:
450/210 - 126/210 = 450 - 126/210 = 324/210 - After reducing the fraction, the answer is 54/35
- In mixed form: 119/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-18/30 30/14-36/30 30/28-18/30 30/14-18/60 90/14-18/30 30/14-54/30 30/42-18/30 30/14-18/90 30/14-90/30 30/70-18/30 30/98-18/30