Subtract 90/4 from 4/28
1st number: 4/28, 2nd number: 22 2/4
4/28 - 90/4 is -313/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
4/28 = 4 × 1/28 × 1 = 4/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
90/4 = 90 × 7/4 × 7 = 630/28 - Subtract the two like fractions:
4/28 - 630/28 = 4 - 630/28 = -626/28 - After reducing the fraction, the answer is -313/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28-90/4 4/56-90/4 4/28-90/8 12/28-90/4 4/84-90/4 4/28-90/12 20/28-90/4 4/28-90/20 4/28-90/28