Subtract 25/21 from 8/50, Solve 8/50

Subtract 25/21 from 8/50

1^st number: 8/50, 2^nd number: 1 4/21

8/50 - 25/21 is -541/525.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
8/50 = 8 × 21/50 × 21 = 168/1050
Likewise, for the 2nd fraction, since 21 × 50 = 1050,
25/21 = 25 × 50/21 × 50 = 1250/1050
Subtract the two like fractions:
168/1050 - 1250/1050 = 168 - 1250/1050 = -1082/1050
After reducing the fraction, the answer is -541/525

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad