Subtract 8/30 from 12/5
1st number: 2 2/5, 2nd number: 8/30
12/5 - 8/30 is 32/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
12/5 = 12 × 6/5 × 6 = 72/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
8/30 = 8 × 1/30 × 1 = 8/30 - Subtract the two like fractions:
72/30 - 8/30 = 72 - 8/30 = 64/30 - After reducing the fraction, the answer is 32/15
- In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5-8/30 12/5-16/30 12/10-8/30 12/5-8/60 36/5-8/30 12/5-24/30 12/15-8/30 12/5-8/90 60/5-8/30 12/5-40/30 12/25-8/30 84/5-8/30 12/5-56/30 12/35-8/30