Subtract 30/24 from 3/40
1st number: 3/40, 2nd number: 1 6/24
3/40 - 30/24 is -47/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
30/24 = 30 × 5/24 × 5 = 150/120 - Subtract the two like fractions:
9/120 - 150/120 = 9 - 150/120 = -141/120 - After reducing the fraction, the answer is -47/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40-30/24 3/40-60/24 3/80-30/24 3/40-30/48 9/40-30/24 3/40-90/24 3/40-30/72 15/40-30/24 21/40-30/24