Subtract 14/45 from 28/7
1st number: 4 0/7, 2nd number: 14/45
28/7 - 14/45 is 166/45.
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,
14/45 = 14 × 7/45 × 7 = 98/315 - Subtract the two like fractions:
1260/315 - 98/315 = 1260 - 98/315 = 1162/315 - After reducing the fraction, the answer is 166/45
- In mixed form: 331/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7-14/45 28/7-28/45 28/14-14/45 28/7-14/90 84/7-14/45 28/7-42/45 28/21-14/45 28/7-70/45 28/35-14/45 28/7-98/45 28/49-14/45