Subtract 2/5 from 49/28
1st number: 1 21/28, 2nd number: 2/5
49/28 - 2/5 is 27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
2/5 = 2 × 28/5 × 28 = 56/140 - Subtract the two like fractions:
245/140 - 56/140 = 245 - 56/140 = 189/140 - After reducing the fraction, the answer is 27/20
- In mixed form: 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28-2/5 49/28-4/5 49/56-2/5 49/28-2/10 49/28-6/5 49/84-2/5 49/28-2/15 49/28-10/5 49/28-2/25 49/28-14/5 49/28-2/35