Subtract 8/35 from 7/30
7/30 - 8/35 is 1/210.
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,
7/30 = 7 × 7/30 × 7 = 49/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
8/35 = 8 × 6/35 × 6 = 48/210 - Subtract the two like fractions:
49/210 - 48/210 = 49 - 48/210 = 1/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-8/35 7/30-16/35 7/60-8/35 7/30-8/70 21/30-8/35 7/30-24/35 7/90-8/35 35/30-8/35 7/30-40/35 49/30-8/35 7/30-56/35