Subtract 63/27 from 18/35
1st number: 18/35, 2nd number: 2 9/27
18/35 - 63/27 is -191/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
18/35 = 18 × 27/35 × 27 = 486/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
63/27 = 63 × 35/27 × 35 = 2205/945 - Subtract the two like fractions:
486/945 - 2205/945 = 486 - 2205/945 = -1719/945 - After reducing the fraction, the answer is -191/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35-63/27 18/70-63/27 18/35-63/54 54/35-63/27 18/35-63/81 90/35-63/27