Subtract 20/60 from 28/27
1st number: 1 1/27, 2nd number: 20/60
28/27 - 20/60 is 19/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
28/27 = 28 × 20/27 × 20 = 560/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
20/60 = 20 × 9/60 × 9 = 180/540 - Subtract the two like fractions:
560/540 - 180/540 = 560 - 180/540 = 380/540 - After reducing the fraction, the answer is 19/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27-20/60 28/27-40/60 28/54-20/60 84/27-20/60 28/81-20/60