Subtract 80/49 from 3/28
1st number: 3/28, 2nd number: 1 31/49
3/28 - 80/49 is -299/196.
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,
3/28 = 3 × 7/28 × 7 = 21/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
80/49 = 80 × 4/49 × 4 = 320/196 - Subtract the two like fractions:
21/196 - 320/196 = 21 - 320/196 = -299/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28-80/49 3/56-80/49 3/28-80/98 9/28-80/49 3/84-80/49 15/28-80/49 21/28-80/49