Subtract 42/6 from 4/5
1st number: 4/5, 2nd number: 7 0/6
4/5 - 42/6 is -31/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
4/5 = 4 × 6/5 × 6 = 24/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
42/6 = 42 × 5/6 × 5 = 210/30 - Subtract the two like fractions:
24/30 - 210/30 = 24 - 210/30 = -186/30 - After reducing the fraction, the answer is -31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5-42/6 4/5-84/6 4/10-42/6 4/5-42/12 12/5-42/6 4/15-42/6 4/5-42/18 20/5-42/6 4/25-42/6 4/5-42/30 28/5-42/6 4/35-42/6