Subtract 90/16 from 54/4
1st number: 13 2/4, 2nd number: 5 10/16
54/4 - 90/16 is 63/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
54/4 = 54 × 4/4 × 4 = 216/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
90/16 = 90 × 1/16 × 1 = 90/16 - Subtract the two like fractions:
216/16 - 90/16 = 216 - 90/16 = 126/16 - After reducing the fraction, the answer is 63/8
- In mixed form: 77/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-90/16 54/4-90/32 54/12-90/16 54/4-90/48 54/20-90/16 54/4-90/80 54/28-90/16