Subtract 9/18 from 70/4
1st number: 17 2/4, 2nd number: 9/18
70/4 - 9/18 is 17/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Subtract the two like fractions:
630/36 - 18/36 = 630 - 18/36 = 612/36 - After reducing the fraction, the answer is 17/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-9/18 70/4-9/36 70/4-27/18 70/12-9/18 70/4-9/54 70/4-45/18 70/20-9/18 70/4-9/90 70/4-63/18 70/28-9/18