Subtract 90/16 from 10/28
1st number: 10/28, 2nd number: 5 10/16
10/28 - 90/16 is -295/56.
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,
90/16 = 90 × 7/16 × 7 = 630/112 - Subtract the two like fractions:
40/112 - 630/112 = 40 - 630/112 = -590/112 - After reducing the fraction, the answer is -295/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-90/16 10/56-90/16 10/28-90/32 30/28-90/16 10/84-90/16 10/28-90/48 50/28-90/16 10/28-90/80 70/28-90/16