Subtract 8/35 from 25/42
25/42 - 8/35 is 11/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
25/42 = 25 × 5/42 × 5 = 125/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
8/35 = 8 × 6/35 × 6 = 48/210 - Subtract the two like fractions:
125/210 - 48/210 = 125 - 48/210 = 77/210 - After reducing the fraction, the answer is 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-8/35 25/42-16/35 25/84-8/35 25/42-8/70 75/42-8/35 25/42-24/35 25/42-40/35 25/42-56/35