Subtract 16/80 from 56/36
1st number: 1 20/36, 2nd number: 16/80
56/36 - 16/80 is 61/45.
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,
56/36 = 56 × 20/36 × 20 = 1120/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
16/80 = 16 × 9/80 × 9 = 144/720 - Subtract the two like fractions:
1120/720 - 144/720 = 1120 - 144/720 = 976/720 - After reducing the fraction, the answer is 61/45
- In mixed form: 116/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36-32/80 56/72-16/80 56/36-48/80