Subtract 84/36 from 2/45
1st number: 2/45, 2nd number: 2 12/36
2/45 - 84/36 is -103/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 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 36 × 5 = 180,
84/36 = 84 × 5/36 × 5 = 420/180 - Subtract the two like fractions:
8/180 - 420/180 = 8 - 420/180 = -412/180 - After reducing the fraction, the answer is -103/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45-84/36 2/90-84/36 2/45-84/72 6/45-84/36 10/45-84/36 14/45-84/36