Subtract 14/42 from 27/10
1st number: 2 7/10, 2nd number: 14/42
27/10 - 14/42 is 71/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
27/10 = 27 × 21/10 × 21 = 567/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Subtract the two like fractions:
567/210 - 70/210 = 567 - 70/210 = 497/210 - After reducing the fraction, the answer is 71/30
- In mixed form: 211/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-14/42 27/10-28/42 27/20-14/42 27/10-14/84 81/10-14/42 27/30-14/42 27/10-70/42 27/50-14/42 27/10-98/42 27/70-14/42