Subtract 10/30 from 12/8
1st number: 1 4/8, 2nd number: 10/30
12/8 - 10/30 is 7/6.
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,
10/30 = 10 × 4/30 × 4 = 40/120 - Subtract the two like fractions:
180/120 - 40/120 = 180 - 40/120 = 140/120 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8-10/30 12/8-20/30 12/16-10/30 12/8-10/60 36/8-10/30 12/24-10/30 12/8-10/90 60/8-10/30 12/8-50/30 12/40-10/30 84/8-10/30 12/8-70/30 12/56-10/30