Subtract 18/16 from 10/28
1st number: 10/28, 2nd number: 1 2/16
10/28 - 18/16 is -43/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
10/28 = 10 × 4/28 × 4 = 40/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
18/16 = 18 × 7/16 × 7 = 126/112 - Subtract the two like fractions:
40/112 - 126/112 = 40 - 126/112 = -86/112 - After reducing the fraction, the answer is -43/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-18/16 10/28-36/16 10/56-18/16 10/28-18/32 30/28-18/16 10/28-54/16 10/84-18/16 10/28-18/48 50/28-18/16 10/28-90/16 10/28-18/80 70/28-18/16