Subtract 25/8 from 42/9
1st number: 4 6/9, 2nd number: 3 1/8
42/9 - 25/8 is 37/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
25/8 = 25 × 9/8 × 9 = 225/72 - Subtract the two like fractions:
336/72 - 225/72 = 336 - 225/72 = 111/72 - After reducing the fraction, the answer is 37/24
- In mixed form: 113/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9-25/8 42/9-50/8 42/18-25/8 42/9-25/16 42/9-75/8 42/27-25/8 42/9-25/24 42/45-25/8 42/9-25/40 42/63-25/8 42/9-25/56