Subtract 16/40 from 49/28
1st number: 1 21/28, 2nd number: 16/40
49/28 - 16/40 is 27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
49/28 = 49 × 10/28 × 10 = 490/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
16/40 = 16 × 7/40 × 7 = 112/280 - Subtract the two like fractions:
490/280 - 112/280 = 490 - 112/280 = 378/280 - 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: 98/28-16/40 49/28-32/40 49/56-16/40 49/28-16/80 49/28-48/40 49/84-16/40 49/28-80/40