Subtract 12/5 from 27/63
1st number: 27/63, 2nd number: 2 2/5
27/63 - 12/5 is -69/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
27/63 = 27 × 5/63 × 5 = 135/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
12/5 = 12 × 63/5 × 63 = 756/315 - Subtract the two like fractions:
135/315 - 756/315 = 135 - 756/315 = -621/315 - After reducing the fraction, the answer is -69/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63-12/5 27/63-24/5 27/63-12/10 81/63-12/5 27/63-36/5 27/63-12/15 27/63-60/5 27/63-12/25 27/63-84/5 27/63-12/35