Subtract 1/63 from 90/30
1st number: 3 0/30, 2nd number: 1/63
90/30 - 1/63 is 188/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
90/30 = 90 × 21/30 × 21 = 1890/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
1/63 = 1 × 10/63 × 10 = 10/630 - Subtract the two like fractions:
1890/630 - 10/630 = 1890 - 10/630 = 1880/630 - After reducing the fraction, the answer is 188/63
- In mixed form: 262/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-2/63 90/60-1/63 90/30-3/63 90/30-5/63 90/30-7/63