Subtract 30/8 from 5/12
1st number: 5/12, 2nd number: 3 6/8
5/12 - 30/8 is -10/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
5/12 = 5 × 2/12 × 2 = 10/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
30/8 = 30 × 3/8 × 3 = 90/24 - Subtract the two like fractions:
10/24 - 90/24 = 10 - 90/24 = -80/24 - After reducing the fraction, the answer is -10/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12-30/8 5/12-60/8 5/24-30/8 5/12-30/16 15/12-30/8 5/12-90/8 5/36-30/8 5/12-30/24 25/12-30/8 5/60-30/8 5/12-30/40 35/12-30/8 5/84-30/8 5/12-30/56