Subtract 5/30 from 12/8
1st number: 1 4/8, 2nd number: 5/30
12/8 - 5/30 is 4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
12/8 = 12 × 15/8 × 15 = 180/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
5/30 = 5 × 4/30 × 4 = 20/120 - Subtract the two like fractions:
180/120 - 20/120 = 180 - 20/120 = 160/120 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8-5/30 12/8-10/30 12/16-5/30 12/8-5/60 36/8-5/30 12/8-15/30 12/24-5/30 12/8-5/90 60/8-5/30 12/8-25/30 12/40-5/30 84/8-5/30 12/8-35/30 12/56-5/30