Subtract 25/21 from 10/16
1st number: 10/16, 2nd number: 1 4/21
10/16 - 25/21 is -95/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
25/21 = 25 × 16/21 × 16 = 400/336 - Subtract the two like fractions:
210/336 - 400/336 = 210 - 400/336 = -190/336 - After reducing the fraction, the answer is -95/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16-25/21 10/16-50/21 10/32-25/21 10/16-25/42 30/16-25/21 10/16-75/21 10/48-25/21 10/16-25/63 50/16-25/21 10/80-25/21 70/16-25/21