Subtract 81/49 from 80/28
1st number: 2 24/28, 2nd number: 1 32/49
80/28 - 81/49 is 59/49.
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,
80/28 = 80 × 7/28 × 7 = 560/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
81/49 = 81 × 4/49 × 4 = 324/196 - Subtract the two like fractions:
560/196 - 324/196 = 560 - 324/196 = 236/196 - After reducing the fraction, the answer is 59/49
- In mixed form: 110/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56-81/49 80/28-81/98 80/84-81/49