Subtract 84/32 from 84/54
1st number: 1 30/54, 2nd number: 2 20/32
84/54 - 84/32 is -77/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 32 is 864
Next, find the equivalent fraction of both fractional numbers with denominator 864 - For the 1st fraction, since 54 × 16 = 864,
84/54 = 84 × 16/54 × 16 = 1344/864 - Likewise, for the 2nd fraction, since 32 × 27 = 864,
84/32 = 84 × 27/32 × 27 = 2268/864 - Subtract the two like fractions:
1344/864 - 2268/864 = 1344 - 2268/864 = -924/864 - After reducing the fraction, the answer is -77/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54-84/64 84/54-84/96