Subtract 5/45 from 12/4
1st number: 3 0/4, 2nd number: 5/45
12/4 - 5/45 is 26/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
12/4 = 12 × 45/4 × 45 = 540/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
5/45 = 5 × 4/45 × 4 = 20/180 - Subtract the two like fractions:
540/180 - 20/180 = 540 - 20/180 = 520/180 - After reducing the fraction, the answer is 26/9
- In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4-5/45 12/4-10/45 12/8-5/45 12/4-5/90 36/4-5/45 12/4-15/45 60/4-5/45 12/4-25/45 12/20-5/45 84/4-5/45 12/4-35/45 12/28-5/45