Subtract 70/45 from 24/27
1st number: 24/27, 2nd number: 1 25/45
24/27 - 70/45 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
24/27 = 24 × 5/27 × 5 = 120/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
70/45 = 70 × 3/45 × 3 = 210/135 - Subtract the two like fractions:
120/135 - 210/135 = 120 - 210/135 = -90/135 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/27-70/45 24/54-70/45 24/27-70/90 72/27-70/45 24/81-70/45