Subtract 27/63 from 15/2
1st number: 7 1/2, 2nd number: 27/63
15/2 - 27/63 is 99/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
15/2 = 15 × 63/2 × 63 = 945/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
27/63 = 27 × 2/63 × 2 = 54/126 - Subtract the two like fractions:
945/126 - 54/126 = 945 - 54/126 = 891/126 - After reducing the fraction, the answer is 99/14
- In mixed form: 71/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-27/63 15/2-54/63 15/4-27/63 45/2-27/63 15/2-81/63 15/6-27/63 75/2-27/63 15/10-27/63 15/14-27/63