Subtract 70/18 from 10/16
1st number: 10/16, 2nd number: 3 16/18
10/16 - 70/18 is -235/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
10/16 = 10 × 9/16 × 9 = 90/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
70/18 = 70 × 8/18 × 8 = 560/144 - Subtract the two like fractions:
90/144 - 560/144 = 90 - 560/144 = -470/144 - After reducing the fraction, the answer is -235/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16-70/18 10/32-70/18 10/16-70/36 30/16-70/18 10/48-70/18 10/16-70/54 50/16-70/18 10/80-70/18 10/16-70/90 70/16-70/18