Subtract 98/12 from 28/10
1st number: 2 8/10, 2nd number: 8 2/12
28/10 - 98/12 is -161/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
28/10 = 28 × 6/10 × 6 = 168/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
98/12 = 98 × 5/12 × 5 = 490/60 - Subtract the two like fractions:
168/60 - 490/60 = 168 - 490/60 = -322/60 - After reducing the fraction, the answer is -161/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-98/12 28/20-98/12 28/10-98/24 84/10-98/12 28/30-98/12 28/10-98/36 28/50-98/12 28/10-98/60 28/70-98/12 28/10-98/84