Subtract 63/18 from 36/7
1st number: 5 1/7, 2nd number: 3 9/18
36/7 - 63/18 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
36/7 = 36 × 18/7 × 18 = 648/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
63/18 = 63 × 7/18 × 7 = 441/126 - Subtract the two like fractions:
648/126 - 441/126 = 648 - 441/126 = 207/126 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7-63/18 36/14-63/18 36/7-63/36 36/21-63/18 36/7-63/54 36/35-63/18 36/7-63/90 36/49-63/18