Subtract 7/50 from 3/28
3/28 - 7/50 is -23/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
3/28 = 3 × 25/28 × 25 = 75/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
7/50 = 7 × 14/50 × 14 = 98/700 - Subtract the two like fractions:
75/700 - 98/700 = 75 - 98/700 = -23/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28-7/50 3/28-14/50 3/56-7/50 9/28-7/50 3/28-21/50 3/84-7/50 15/28-7/50 3/28-35/50 21/28-7/50 3/28-49/50