Subtract 1/30 from 5/84
5/84 - 1/30 is 11/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
1/30 = 1 × 14/30 × 14 = 14/420 - Subtract the two like fractions:
25/420 - 14/420 = 25 - 14/420 = 11/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-1/30 5/84-2/30 5/84-1/60 15/84-1/30 5/84-3/30 5/84-1/90 25/84-1/30 5/84-5/30 35/84-1/30 5/84-7/30