Subtract 2/75 from 21/2
1st number: 10 1/2, 2nd number: 2/75
21/2 - 2/75 is 1571/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 2 × 75 = 150,
21/2 = 21 × 75/2 × 75 = 1575/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
2/75 = 2 × 2/75 × 2 = 4/150 - Subtract the two like fractions:
1575/150 - 4/150 = 1575 - 4/150 = 1571/150 - In mixed form: 1071/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2-2/75 21/2-4/75 21/4-2/75 63/2-2/75 21/2-6/75 21/6-2/75 21/2-10/75 21/10-2/75 21/2-14/75 21/14-2/75