Subtract 18/45 from 63/27
1st number: 2 9/27, 2nd number: 18/45
63/27 - 18/45 is 29/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
63/27 = 63 × 5/27 × 5 = 315/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
18/45 = 18 × 3/45 × 3 = 54/135 - Subtract the two like fractions:
315/135 - 54/135 = 315 - 54/135 = 261/135 - After reducing the fraction, the answer is 29/15
- In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/27-36/45 63/54-18/45 63/27-18/90 63/27-54/45 63/81-18/45 63/27-90/45