Subtract 2/72 from 56/20
1st number: 2 16/20, 2nd number: 2/72
56/20 - 2/72 is 499/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
56/20 = 56 × 18/20 × 18 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Subtract the two like fractions:
1008/360 - 10/360 = 1008 - 10/360 = 998/360 - After reducing the fraction, the answer is 499/180
- In mixed form: 2139/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-4/72 56/40-2/72 56/20-6/72 56/60-2/72 56/20-10/72 56/20-14/72