Subtract 10/28 from 15/50
15/50 - 10/28 is -2/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
15/50 = 15 × 14/50 × 14 = 210/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
10/28 = 10 × 25/28 × 25 = 250/700 - Subtract the two like fractions:
210/700 - 250/700 = 210 - 250/700 = -40/700 - After reducing the fraction, the answer is -2/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50-10/28 15/50-20/28 15/50-10/56 45/50-10/28 15/50-30/28 15/50-10/84 75/50-10/28 15/50-50/28 15/50-70/28