Subtract 24/30 from 4/8
4/8 - 24/30 is -3/10.
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,
4/8 = 4 × 15/8 × 15 = 60/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
24/30 = 24 × 4/30 × 4 = 96/120 - Subtract the two like fractions:
60/120 - 96/120 = 60 - 96/120 = -36/120 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8-48/30 4/16-24/30 4/8-24/60 12/8-24/30 4/8-72/30 4/24-24/30 4/8-24/90 20/8-24/30 4/40-24/30 28/8-24/30 4/56-24/30