Subtract 45/28 from 16/45
1st number: 16/45, 2nd number: 1 17/28
16/45 - 45/28 is -1577/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
16/45 = 16 × 28/45 × 28 = 448/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
45/28 = 45 × 45/28 × 45 = 2025/1260 - Subtract the two like fractions:
448/1260 - 2025/1260 = 448 - 2025/1260 = -1577/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/45-45/28 16/45-90/28 16/90-45/28 16/45-45/56 48/45-45/28 16/45-45/84 80/45-45/28