Subtract 42/10 from 14/5
1st number: 2 4/5, 2nd number: 4 2/10
14/5 - 42/10 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
14/5 = 14 × 2/5 × 2 = 28/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
42/10 = 42 × 1/10 × 1 = 42/10 - Subtract the two like fractions:
28/10 - 42/10 = 28 - 42/10 = -14/10 - After reducing the fraction, the answer is -7/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/5-42/10 14/5-84/10 14/10-42/10 14/5-42/20 42/5-42/10 14/15-42/10 14/5-42/30 70/5-42/10 14/25-42/10 14/5-42/50 98/5-42/10 14/35-42/10 14/5-42/70