Subtract 36/12 from 2/45
1st number: 2/45, 2nd number: 3 0/12
2/45 - 36/12 is -133/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
2/45 = 2 × 4/45 × 4 = 8/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
36/12 = 36 × 15/12 × 15 = 540/180 - Subtract the two like fractions:
8/180 - 540/180 = 8 - 540/180 = -532/180 - After reducing the fraction, the answer is -133/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45-36/12 2/45-72/12 2/90-36/12 2/45-36/24 6/45-36/12 10/45-36/12 2/45-36/60 14/45-36/12 2/45-36/84