Subtract 28/32 from 1/45
1/45 - 28/32 is -307/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
1/45 = 1 × 32/45 × 32 = 32/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
28/32 = 28 × 45/32 × 45 = 1260/1440 - Subtract the two like fractions:
32/1440 - 1260/1440 = 32 - 1260/1440 = -1228/1440 - After reducing the fraction, the answer is -307/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45-28/32 1/45-56/32 1/90-28/32 1/45-28/64 3/45-28/32 1/45-84/32 1/45-28/96 5/45-28/32 7/45-28/32