Subtract 84/40 from 16/54
1st number: 16/54, 2nd number: 2 4/40
16/54 - 84/40 is -487/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
16/54 = 16 × 20/54 × 20 = 320/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
84/40 = 84 × 27/40 × 27 = 2268/1080 - Subtract the two like fractions:
320/1080 - 2268/1080 = 320 - 2268/1080 = -1948/1080 - After reducing the fraction, the answer is -487/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/54-84/40 16/54-84/80 48/54-84/40 80/54-84/40