Subtract 35/25 from 12/28
1st number: 12/28, 2nd number: 1 10/25
12/28 - 35/25 is -34/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
12/28 = 12 × 25/28 × 25 = 300/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
35/25 = 35 × 28/25 × 28 = 980/700 - Subtract the two like fractions:
300/700 - 980/700 = 300 - 980/700 = -680/700 - After reducing the fraction, the answer is -34/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28-35/25 12/28-70/25 12/56-35/25 12/28-35/50 36/28-35/25 12/84-35/25 12/28-35/75 60/28-35/25 84/28-35/25