Subtract 10/30 from 16/63
16/63 - 10/30 is -5/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
16/63 = 16 × 10/63 × 10 = 160/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
10/30 = 10 × 21/30 × 21 = 210/630 - Subtract the two like fractions:
160/630 - 210/630 = 160 - 210/630 = -50/630 - After reducing the fraction, the answer is -5/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/63-10/30 16/63-20/30 16/63-10/60 48/63-10/30 16/63-10/90 80/63-10/30 16/63-50/30 16/63-70/30