Subtract 18/30 from 6/35
6/35 - 18/30 is -3/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
6/35 = 6 × 6/35 × 6 = 36/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Subtract the two like fractions:
36/210 - 126/210 = 36 - 126/210 = -90/210 - After reducing the fraction, the answer is -3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/35-18/30 6/35-36/30 6/70-18/30 6/35-18/60 18/35-18/30 6/35-54/30 6/35-18/90 30/35-18/30 6/35-90/30 42/35-18/30