Subtract 24/27 from 70/40
1st number: 1 30/40, 2nd number: 24/27
70/40 - 24/27 is 31/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
70/40 = 70 × 27/40 × 27 = 1890/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
24/27 = 24 × 40/27 × 40 = 960/1080 - Subtract the two like fractions:
1890/1080 - 960/1080 = 1890 - 960/1080 = 930/1080 - After reducing the fraction, the answer is 31/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-48/27 70/80-24/27 70/40-24/54 70/40-72/27 70/40-24/81