Subtract 16/8 from 8/45
1st number: 8/45, 2nd number: 2 0/8
8/45 - 16/8 is -82/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
8/45 = 8 × 8/45 × 8 = 64/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
16/8 = 16 × 45/8 × 45 = 720/360 - Subtract the two like fractions:
64/360 - 720/360 = 64 - 720/360 = -656/360 - After reducing the fraction, the answer is -82/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45-16/8 8/45-32/8 8/90-16/8 24/45-16/8 8/45-48/8 8/45-16/24 40/45-16/8 8/45-80/8 8/45-16/40 56/45-16/8 8/45-16/56