Subtract 12/24 from 75/45
1st number: 1 30/45, 2nd number: 12/24
75/45 - 12/24 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
75/45 = 75 × 8/45 × 8 = 600/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
12/24 = 12 × 15/24 × 15 = 180/360 - Subtract the two like fractions:
600/360 - 180/360 = 600 - 180/360 = 420/360 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90-12/24 75/45-12/48 75/45-36/24 75/45-12/72 75/45-60/24 75/45-84/24