Subtract 25/81 from 50/7
1st number: 7 1/7, 2nd number: 25/81
50/7 - 25/81 is 3875/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
50/7 = 50 × 81/7 × 81 = 4050/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
25/81 = 25 × 7/81 × 7 = 175/567 - Subtract the two like fractions:
4050/567 - 175/567 = 4050 - 175/567 = 3875/567 - In mixed form: 6473/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-50/81 50/14-25/81 50/7-75/81 50/21-25/81 50/35-25/81 50/49-25/81