Subtract 98/20 from 28/27
1st number: 1 1/27, 2nd number: 4 18/20
28/27 - 98/20 is -1043/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 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 20 × 27 = 540,
98/20 = 98 × 27/20 × 27 = 2646/540 - Subtract the two like fractions:
560/540 - 2646/540 = 560 - 2646/540 = -2086/540 - After reducing the fraction, the answer is -1043/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27-98/20 28/54-98/20 28/27-98/40 84/27-98/20 28/81-98/20 28/27-98/60