Subtract 16/80 from 28/36
28/36 - 16/80 is 26/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
28/36 = 28 × 20/36 × 20 = 560/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
16/80 = 16 × 9/80 × 9 = 144/720 - Subtract the two like fractions:
560/720 - 144/720 = 560 - 144/720 = 416/720 - After reducing the fraction, the answer is 26/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36-16/80 28/36-32/80 28/72-16/80 84/36-16/80 28/36-48/80