Subtract 3/8 from 90/63
1st number: 1 27/63, 2nd number: 3/8
90/63 - 3/8 is 59/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
90/63 = 90 × 8/63 × 8 = 720/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
3/8 = 3 × 63/8 × 63 = 189/504 - Subtract the two like fractions:
720/504 - 189/504 = 720 - 189/504 = 531/504 - After reducing the fraction, the answer is 59/56
- In mixed form: 13/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63-6/8 90/63-3/16 90/63-9/8 90/63-3/24 90/63-15/8 90/63-3/40 90/63-21/8 90/63-3/56