Subtract 6/45 from 28/7
1st number: 4 0/7, 2nd number: 6/45
28/7 - 6/45 is 58/15.
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,
28/7 = 28 × 45/7 × 45 = 1260/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
6/45 = 6 × 7/45 × 7 = 42/315 - Subtract the two like fractions:
1260/315 - 42/315 = 1260 - 42/315 = 1218/315 - After reducing the fraction, the answer is 58/15
- In mixed form: 313/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7-6/45 28/7-12/45 28/14-6/45 28/7-6/90 84/7-6/45 28/7-18/45 28/21-6/45 28/7-30/45 28/35-6/45 28/7-42/45 28/49-6/45