Subtract 9/28 from 7/50
7/50 - 9/28 is -127/700.
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,
7/50 = 7 × 14/50 × 14 = 98/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
9/28 = 9 × 25/28 × 25 = 225/700 - Subtract the two like fractions:
98/700 - 225/700 = 98 - 225/700 = -127/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50-9/28 7/50-18/28 7/50-9/56 21/50-9/28 7/50-27/28 7/50-9/84 35/50-9/28 7/50-45/28 49/50-9/28 7/50-63/28