Subtract 90/63 from 54/4
1st number: 13 2/4, 2nd number: 1 27/63
54/4 - 90/63 is 169/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
54/4 = 54 × 63/4 × 63 = 3402/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Subtract the two like fractions:
3402/252 - 360/252 = 3402 - 360/252 = 3042/252 - After reducing the fraction, the answer is 169/14
- In mixed form: 121/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-90/63 54/12-90/63 54/20-90/63 54/28-90/63