Subtract 20/7 from 36/2
1st number: 18 0/2, 2nd number: 2 6/7
36/2 - 20/7 is 106/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
36/2 = 36 × 7/2 × 7 = 252/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
20/7 = 20 × 2/7 × 2 = 40/14 - Subtract the two like fractions:
252/14 - 40/14 = 252 - 40/14 = 212/14 - After reducing the fraction, the answer is 106/7
- In mixed form: 151/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2-20/7 36/2-40/7 36/4-20/7 36/2-20/14 36/2-60/7 36/6-20/7 36/2-20/21 36/10-20/7 36/2-20/35 36/14-20/7 36/2-20/49