Subtract 30/32 from 28/10
1st number: 2 8/10, 2nd number: 30/32
28/10 - 30/32 is 149/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 10 × 16 = 160,
28/10 = 28 × 16/10 × 16 = 448/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
30/32 = 30 × 5/32 × 5 = 150/160 - Subtract the two like fractions:
448/160 - 150/160 = 448 - 150/160 = 298/160 - After reducing the fraction, the answer is 149/80
- In mixed form: 169/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-30/32 28/10-60/32 28/20-30/32 28/10-30/64 84/10-30/32 28/10-90/32 28/30-30/32 28/10-30/96 28/50-30/32 28/70-30/32