Subtract 14/5 from 10/42
1st number: 10/42, 2nd number: 2 4/5
10/42 - 14/5 is -269/105.
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,
10/42 = 10 × 5/42 × 5 = 50/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
14/5 = 14 × 42/5 × 42 = 588/210 - Subtract the two like fractions:
50/210 - 588/210 = 50 - 588/210 = -538/210 - After reducing the fraction, the answer is -269/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42-14/5 10/42-28/5 10/84-14/5 10/42-14/10 30/42-14/5 10/42-42/5 10/42-14/15 50/42-14/5 10/42-70/5 10/42-14/25 70/42-14/5 10/42-98/5 10/42-14/35