Subtract 3/90 from 32/63
32/63 - 3/90 is 299/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
32/63 = 32 × 10/63 × 10 = 320/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Subtract the two like fractions:
320/630 - 21/630 = 320 - 21/630 = 299/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/63-3/90 32/63-6/90 96/63-3/90 32/63-9/90 32/63-15/90 32/63-21/90