Subtract 14/7 from 28/5
1st number: 5 3/5, 2nd number: 2 0/7
28/5 - 14/7 is 18/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
28/5 = 28 × 7/5 × 7 = 196/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
14/7 = 14 × 5/7 × 5 = 70/35 - Subtract the two like fractions:
196/35 - 70/35 = 196 - 70/35 = 126/35 - After reducing the fraction, the answer is 18/5
- In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5-14/7 28/5-28/7 28/10-14/7 84/5-14/7 28/5-42/7 28/15-14/7 28/5-14/21 28/5-70/7 28/25-14/7 28/5-14/35 28/5-98/7 28/35-14/7 28/5-14/49