Subtract 3/10 from 45/24
1st number: 1 21/24, 2nd number: 3/10
45/24 - 3/10 is 63/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 10 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
45/24 = 45 × 5/24 × 5 = 225/120 - Likewise, for the 2nd fraction, since 10 × 12 = 120,
3/10 = 3 × 12/10 × 12 = 36/120 - Subtract the two like fractions:
225/120 - 36/120 = 225 - 36/120 = 189/120 - After reducing the fraction, the answer is 63/40
- In mixed form: 123/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24-3/10 45/24-6/10 45/48-3/10 45/24-3/20 45/24-9/10 45/72-3/10 45/24-3/30 45/24-15/10 45/24-3/50 45/24-21/10 45/24-3/70