Subtract 18/8 from 10/28
1st number: 10/28, 2nd number: 2 2/8
10/28 - 18/8 is -53/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
10/28 = 10 × 2/28 × 2 = 20/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Subtract the two like fractions:
20/56 - 126/56 = 20 - 126/56 = -106/56 - After reducing the fraction, the answer is -53/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-18/8 10/28-36/8 10/56-18/8 10/28-18/16 30/28-18/8 10/28-54/8 10/84-18/8 10/28-18/24 50/28-18/8 10/28-90/8 10/28-18/40 70/28-18/8 10/28-18/56