Subtract 4/7 from 28/16
1st number: 1 12/16, 2nd number: 4/7
28/16 - 4/7 is 33/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
28/16 = 28 × 7/16 × 7 = 196/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
4/7 = 4 × 16/7 × 16 = 64/112 - Subtract the two like fractions:
196/112 - 64/112 = 196 - 64/112 = 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: 56/16-4/7 28/16-8/7 28/32-4/7 28/16-4/14 84/16-4/7 28/16-12/7 28/48-4/7 28/16-4/21 28/16-20/7 28/80-4/7 28/16-4/35 28/16-28/7 28/16-4/49