Subtract 7/49 from 45/28
1st number: 1 17/28, 2nd number: 7/49
45/28 - 7/49 is 41/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
45/28 = 45 × 7/28 × 7 = 315/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
7/49 = 7 × 4/49 × 4 = 28/196 - Subtract the two like fractions:
315/196 - 28/196 = 315 - 28/196 = 287/196 - After reducing the fraction, the answer is 41/28
- In mixed form: 113/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-7/49 45/28-14/49 45/56-7/49 45/28-7/98 45/28-21/49 45/84-7/49 45/28-35/49