Subtract 14/5 from 3/42
1st number: 3/42, 2nd number: 2 4/5
3/42 - 14/5 is -191/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
14/5 = 14 × 42/5 × 42 = 588/210 - Subtract the two like fractions:
15/210 - 588/210 = 15 - 588/210 = -573/210 - After reducing the fraction, the answer is -191/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42-14/5 3/42-28/5 3/84-14/5 3/42-14/10 9/42-14/5 3/42-42/5 3/42-14/15 15/42-14/5 3/42-70/5 3/42-14/25 21/42-14/5 3/42-98/5 3/42-14/35