Subtract 12/18 from 70/16
1st number: 4 6/16, 2nd number: 12/18
70/16 - 12/18 is 89/24.
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,
70/16 = 70 × 9/16 × 9 = 630/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
12/18 = 12 × 8/18 × 8 = 96/144 - Subtract the two like fractions:
630/144 - 96/144 = 630 - 96/144 = 534/144 - After reducing the fraction, the answer is 89/24
- In mixed form: 317/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16-24/18 70/32-12/18 70/16-12/36 70/16-36/18 70/48-12/18 70/16-12/54 70/16-60/18 70/80-12/18 70/16-12/90 70/16-84/18