Subtract 90/10 from 4/63
1st number: 4/63, 2nd number: 9 0/10
4/63 - 90/10 is -563/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
4/63 = 4 × 10/63 × 10 = 40/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
90/10 = 90 × 63/10 × 63 = 5670/630 - Subtract the two like fractions:
40/630 - 5670/630 = 40 - 5670/630 = -5630/630 - After reducing the fraction, the answer is -563/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63-90/10 4/63-90/20 12/63-90/10 4/63-90/30 20/63-90/10 4/63-90/50 28/63-90/10 4/63-90/70