Subtract 4/16 from 40/28
1st number: 1 12/28, 2nd number: 4/16
40/28 - 4/16 is 33/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
40/28 = 40 × 4/28 × 4 = 160/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
4/16 = 4 × 7/16 × 7 = 28/112 - Subtract the two like fractions:
160/112 - 28/112 = 160 - 28/112 = 132/112 - After reducing the fraction, the answer is 33/28
- In mixed form: 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-4/16 40/28-8/16 40/56-4/16 40/28-4/32 40/28-12/16 40/84-4/16 40/28-4/48 40/28-20/16 40/28-4/80 40/28-28/16