Subtract 5/16 from 70/18
1st number: 3 16/18, 2nd number: 5/16
70/18 - 5/16 is 515/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
70/18 = 70 × 8/18 × 8 = 560/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
5/16 = 5 × 9/16 × 9 = 45/144 - Subtract the two like fractions:
560/144 - 45/144 = 560 - 45/144 = 515/144 - In mixed form: 383/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-10/16 70/36-5/16 70/18-5/32 70/18-15/16 70/54-5/16 70/18-5/48 70/18-25/16 70/90-5/16 70/18-5/80 70/18-35/16