Subtract 9/36 from 2/84
2/84 - 9/36 is -19/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
2/84 = 2 × 3/84 × 3 = 6/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
9/36 = 9 × 7/36 × 7 = 63/252 - Subtract the two like fractions:
6/252 - 63/252 = 6 - 63/252 = -57/252 - After reducing the fraction, the answer is -19/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-9/36 2/84-18/36 2/84-9/72 6/84-9/36 2/84-27/36 10/84-9/36 2/84-45/36 14/84-9/36 2/84-63/36