Subtract 12/27 from 15/8
1st number: 1 7/8, 2nd number: 12/27
15/8 - 12/27 is 103/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
15/8 = 15 × 27/8 × 27 = 405/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
12/27 = 12 × 8/27 × 8 = 96/216 - Subtract the two like fractions:
405/216 - 96/216 = 405 - 96/216 = 309/216 - After reducing the fraction, the answer is 103/72
- In mixed form: 131/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8-12/27 15/8-24/27 15/16-12/27 15/8-12/54 45/8-12/27 15/8-36/27 15/24-12/27 15/8-12/81 75/8-12/27 15/8-60/27 15/40-12/27 15/8-84/27 15/56-12/27