Subtract 16/80 from 56/72
56/72 - 16/80 is 26/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
56/72 = 56 × 10/72 × 10 = 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: 56/72-32/80 56/72-48/80