Subtract 18/63 from 7/14
7/14 - 18/63 is 3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
7/14 = 7 × 9/14 × 9 = 63/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126 - Subtract the two like fractions:
63/126 - 36/126 = 63 - 36/126 = 27/126 - After reducing the fraction, the answer is 3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14-36/63 7/28-18/63 21/14-18/63 7/14-54/63 7/42-18/63 35/14-18/63 7/14-90/63 7/70-18/63 49/14-18/63 7/98-18/63