Subtract 5/36 from 30/84
30/84 - 5/36 is 55/252.
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,
30/84 = 30 × 3/84 × 3 = 90/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
5/36 = 5 × 7/36 × 7 = 35/252 - Subtract the two like fractions:
90/252 - 35/252 = 90 - 35/252 = 55/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84-5/36 30/84-10/36 30/84-5/72 90/84-5/36 30/84-15/36 30/84-25/36 30/84-35/36