Subtract 1/84 from 3/8
3/8 - 1/84 is 61/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
3/8 = 3 × 21/8 × 21 = 63/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
1/84 = 1 × 2/84 × 2 = 2/168 - Subtract the two like fractions:
63/168 - 2/168 = 63 - 2/168 = 61/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-1/84 3/8-2/84 3/16-1/84 9/8-1/84 3/8-3/84 3/24-1/84 15/8-1/84 3/8-5/84 3/40-1/84 21/8-1/84 3/8-7/84 3/56-1/84