Subtract 28/20 from 49/5
1st number: 9 4/5, 2nd number: 1 8/20
49/5 - 28/20 is 42/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
49/5 = 49 × 4/5 × 4 = 196/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
28/20 = 28 × 1/20 × 1 = 28/20 - Subtract the two like fractions:
196/20 - 28/20 = 196 - 28/20 = 168/20 - After reducing the fraction, the answer is 42/5
- In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/5-28/20 49/5-56/20 49/10-28/20 49/5-28/40 49/5-84/20 49/15-28/20 49/5-28/60 49/25-28/20 49/35-28/20