Subtract 18/28 from 6/4
1st number: 1 2/4, 2nd number: 18/28
6/4 - 18/28 is 6/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
6/4 = 6 × 7/4 × 7 = 42/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Subtract the two like fractions:
42/28 - 18/28 = 42 - 18/28 = 24/28 - After reducing the fraction, the answer is 6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4-18/28 6/4-36/28 6/8-18/28 6/4-18/56 18/4-18/28 6/4-54/28 6/12-18/28 6/4-18/84 30/4-18/28 6/4-90/28 6/20-18/28 42/4-18/28 6/28-18/28