Subtract 70/27 from 9/72
1st number: 9/72, 2nd number: 2 16/27
9/72 - 70/27 is -533/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
9/72 = 9 × 3/72 × 3 = 27/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
70/27 = 70 × 8/27 × 8 = 560/216 - Subtract the two like fractions:
27/216 - 560/216 = 27 - 560/216 = -533/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72-70/27 9/72-70/54 27/72-70/27 9/72-70/81 45/72-70/27 63/72-70/27