Subtract 28/10 from 49/75
1st number: 49/75, 2nd number: 2 8/10
49/75 - 28/10 is -161/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
49/75 = 49 × 2/75 × 2 = 98/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
28/10 = 28 × 15/10 × 15 = 420/150 - Subtract the two like fractions:
98/150 - 420/150 = 98 - 420/150 = -322/150 - After reducing the fraction, the answer is -161/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/75-28/10 49/75-56/10 49/75-28/20 49/75-84/10 49/75-28/30 49/75-28/50 49/75-28/70