Subtract 28/20 from 98/32
1st number: 3 2/32, 2nd number: 1 8/20
98/32 - 28/20 is 133/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
98/32 = 98 × 5/32 × 5 = 490/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
28/20 = 28 × 8/20 × 8 = 224/160 - Subtract the two like fractions:
490/160 - 224/160 = 490 - 224/160 = 266/160 - After reducing the fraction, the answer is 133/80
- In mixed form: 153/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/32-56/20 98/64-28/20 98/32-28/40 98/32-84/20 98/96-28/20 98/32-28/60