Subtract 84/20 from 4/27
1st number: 4/27, 2nd number: 4 4/20
4/27 - 84/20 is -547/135.
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,
4/27 = 4 × 20/27 × 20 = 80/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
84/20 = 84 × 27/20 × 27 = 2268/540 - Subtract the two like fractions:
80/540 - 2268/540 = 80 - 2268/540 = -2188/540 - After reducing the fraction, the answer is -547/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27-84/20 4/54-84/20 4/27-84/40 12/27-84/20 4/81-84/20 4/27-84/60 20/27-84/20 28/27-84/20