Subtract 9/30 from 3/24
3/24 - 9/30 is -7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
9/30 = 9 × 4/30 × 4 = 36/120 - Subtract the two like fractions:
15/120 - 36/120 = 15 - 36/120 = -21/120 - After reducing the fraction, the answer is -7/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24-9/30 3/24-18/30 3/48-9/30 3/24-9/60 9/24-9/30 3/24-27/30 3/72-9/30 3/24-9/90 15/24-9/30 3/24-45/30 21/24-9/30 3/24-63/30