Subtract 8/35 from 4/30
4/30 - 8/35 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
4/30 = 4 × 7/30 × 7 = 28/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
8/35 = 8 × 6/35 × 6 = 48/210 - Subtract the two like fractions:
28/210 - 48/210 = 28 - 48/210 = -20/210 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-8/35 4/30-16/35 4/60-8/35 4/30-8/70 12/30-8/35 4/30-24/35 4/90-8/35 20/30-8/35 4/30-40/35 28/30-8/35 4/30-56/35