Subtract 21/50 from 84/15
1st number: 5 9/15, 2nd number: 21/50
84/15 - 21/50 is 259/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 15 × 10 = 150,
84/15 = 84 × 10/15 × 10 = 840/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Subtract the two like fractions:
840/150 - 63/150 = 840 - 63/150 = 777/150 - After reducing the fraction, the answer is 259/50
- In mixed form: 59/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-42/50 84/30-21/50 84/15-63/50 84/45-21/50 84/75-21/50