Subtract 28/45 from 50/7
1st number: 7 1/7, 2nd number: 28/45
50/7 - 28/45 is 2054/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
50/7 = 50 × 45/7 × 45 = 2250/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
28/45 = 28 × 7/45 × 7 = 196/315 - Subtract the two like fractions:
2250/315 - 196/315 = 2250 - 196/315 = 2054/315 - In mixed form: 6164/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-56/45 50/14-28/45 50/7-28/90 50/7-84/45 50/21-28/45 50/35-28/45 50/49-28/45