Subtract 80/49 from 35/28
1st number: 1 7/28, 2nd number: 1 31/49
35/28 - 80/49 is -75/196.
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,
35/28 = 35 × 7/28 × 7 = 245/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
80/49 = 80 × 4/49 × 4 = 320/196 - Subtract the two like fractions:
245/196 - 320/196 = 245 - 320/196 = -75/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-80/49 35/56-80/49 35/28-80/98 35/84-80/49