Subtract 20/27 from 36/7
1st number: 5 1/7, 2nd number: 20/27
36/7 - 20/27 is 832/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
36/7 = 36 × 27/7 × 27 = 972/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
20/27 = 20 × 7/27 × 7 = 140/189 - Subtract the two like fractions:
972/189 - 140/189 = 972 - 140/189 = 832/189 - In mixed form: 476/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7-20/27 36/7-40/27 36/14-20/27 36/7-20/54 36/7-60/27 36/21-20/27 36/7-20/81 36/35-20/27 36/49-20/27