Subtract 14/45 from 28/49
28/49 - 14/45 is 82/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
28/49 = 28 × 45/49 × 45 = 1260/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
14/45 = 14 × 49/45 × 49 = 686/2205 - Subtract the two like fractions:
1260/2205 - 686/2205 = 1260 - 686/2205 = 574/2205 - After reducing the fraction, the answer is 82/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49-14/45 28/49-28/45 28/98-14/45 28/49-14/90 84/49-14/45 28/49-42/45 28/49-70/45 28/49-98/45