Subtract 54/49 from 8/28
1st number: 8/28, 2nd number: 1 5/49
8/28 - 54/49 is -40/49.
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,
8/28 = 8 × 7/28 × 7 = 56/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
54/49 = 54 × 4/49 × 4 = 216/196 - Subtract the two like fractions:
56/196 - 216/196 = 56 - 216/196 = -160/196 - After reducing the fraction, the answer is -40/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28-54/49 8/56-54/49 8/28-54/98 24/28-54/49 8/84-54/49 40/28-54/49 56/28-54/49