Subtract 18/28 from 35/2
1st number: 17 1/2, 2nd number: 18/28
35/2 - 18/28 is 118/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
35/2 = 35 × 14/2 × 14 = 490/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Subtract the two like fractions:
490/28 - 18/28 = 490 - 18/28 = 472/28 - After reducing the fraction, the answer is 118/7
- In mixed form: 166/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-18/28 35/2-36/28 35/4-18/28 35/2-18/56 35/2-54/28 35/6-18/28 35/2-18/84 35/2-90/28 35/10-18/28 35/14-18/28