Subtract 90/16 from 63/4
1st number: 15 3/4, 2nd number: 5 10/16
63/4 - 90/16 is 81/8.
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,
63/4 = 63 × 4/4 × 4 = 252/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
90/16 = 90 × 1/16 × 1 = 90/16 - Subtract the two like fractions:
252/16 - 90/16 = 252 - 90/16 = 162/16 - After reducing the fraction, the answer is 81/8
- In mixed form: 101/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-90/16 63/4-90/32 63/12-90/16 63/4-90/48 63/20-90/16 63/4-90/80 63/28-90/16