Subtract 70/18 from 4/16
1st number: 4/16, 2nd number: 3 16/18
4/16 - 70/18 is -131/36.
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,
4/16 = 4 × 9/16 × 9 = 36/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
70/18 = 70 × 8/18 × 8 = 560/144 - Subtract the two like fractions:
36/144 - 560/144 = 36 - 560/144 = -524/144 - After reducing the fraction, the answer is -131/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-70/18 4/32-70/18 4/16-70/36 12/16-70/18 4/48-70/18 4/16-70/54 20/16-70/18 4/80-70/18 4/16-70/90 28/16-70/18