Subtract 7/50 from 21/60
21/60 - 7/50 is 21/100.
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,
21/60 = 21 × 5/60 × 5 = 105/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
7/50 = 7 × 6/50 × 6 = 42/300 - Subtract the two like fractions:
105/300 - 42/300 = 105 - 42/300 = 63/300 - After reducing the fraction, the answer is 21/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60-7/50 21/60-14/50 63/60-7/50 21/60-21/50 21/60-35/50 21/60-49/50