Subtract 8/30 from 42/35
1st number: 1 7/35, 2nd number: 8/30
42/35 - 8/30 is 14/15.
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,
42/35 = 42 × 6/35 × 6 = 252/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210 - Subtract the two like fractions:
252/210 - 56/210 = 252 - 56/210 = 196/210 - After reducing the fraction, the answer is 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35-8/30 42/35-16/30 42/70-8/30 42/35-8/60 42/35-24/30 42/35-8/90 42/35-40/30 42/35-56/30