Subtract 70/18 from 24/27
1st number: 24/27, 2nd number: 3 16/18
24/27 - 70/18 is -3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
24/27 = 24 × 2/27 × 2 = 48/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
70/18 = 70 × 3/18 × 3 = 210/54 - Subtract the two like fractions:
48/54 - 210/54 = 48 - 210/54 = -162/54 - After reducing the fraction, the answer is -3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/27-70/18 24/54-70/18 24/27-70/36 72/27-70/18 24/81-70/18 24/27-70/54 24/27-70/90