Subtract 12/8 from 24/30
1st number: 24/30, 2nd number: 1 4/8
24/30 - 12/8 is -7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
24/30 = 24 × 4/30 × 4 = 96/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
12/8 = 12 × 15/8 × 15 = 180/120 - Subtract the two like fractions:
96/120 - 180/120 = 96 - 180/120 = -84/120 - After reducing the fraction, the answer is -7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30-12/8 24/30-24/8 24/60-12/8 24/30-12/16 72/30-12/8 24/30-36/8 24/90-12/8 24/30-12/24 24/30-60/8 24/30-12/40 24/30-84/8 24/30-12/56