Subtract 21/50 from 28/60
28/60 - 21/50 is 7/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 60 × 5 = 300,
28/60 = 28 × 5/60 × 5 = 140/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
21/50 = 21 × 6/50 × 6 = 126/300 - Subtract the two like fractions:
140/300 - 126/300 = 140 - 126/300 = 14/300 - After reducing the fraction, the answer is 7/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60-21/50 28/60-42/50 84/60-21/50 28/60-63/50