Subtract 12/8 from 28/50
1st number: 28/50, 2nd number: 1 4/8
28/50 - 12/8 is -47/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
28/50 = 28 × 4/50 × 4 = 112/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
12/8 = 12 × 25/8 × 25 = 300/200 - Subtract the two like fractions:
112/200 - 300/200 = 112 - 300/200 = -188/200 - After reducing the fraction, the answer is -47/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50-12/8 28/50-24/8 28/50-12/16 84/50-12/8 28/50-36/8 28/50-12/24 28/50-60/8 28/50-12/40 28/50-84/8 28/50-12/56