Subtract 90/14 from 54/56
1st number: 54/56, 2nd number: 6 6/14
54/56 - 90/14 is -153/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
90/14 = 90 × 4/14 × 4 = 360/56 - Subtract the two like fractions:
54/56 - 360/56 = 54 - 360/56 = -306/56 - After reducing the fraction, the answer is -153/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56-90/28 54/56-90/42 54/56-90/70 54/56-90/98