Subtract 4/84 from 30/32
30/32 - 4/84 is 299/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 84 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Likewise, for the 2nd fraction, since 84 × 8 = 672,
4/84 = 4 × 8/84 × 8 = 32/672 - Subtract the two like fractions:
630/672 - 32/672 = 630 - 32/672 = 598/672 - After reducing the fraction, the answer is 299/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/32-4/84 30/32-8/84 30/64-4/84 90/32-4/84 30/32-12/84 30/96-4/84 30/32-20/84 30/32-28/84