Subtract 18/32 from 10/28
10/28 - 18/32 is -23/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 28 × 8 = 224,
10/28 = 10 × 8/28 × 8 = 80/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
18/32 = 18 × 7/32 × 7 = 126/224 - Subtract the two like fractions:
80/224 - 126/224 = 80 - 126/224 = -46/224 - After reducing the fraction, the answer is -23/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-18/32 10/28-36/32 10/56-18/32 10/28-18/64 30/28-18/32 10/28-54/32 10/84-18/32 10/28-18/96 50/28-18/32 10/28-90/32 70/28-18/32