Subtract 16/10 from 30/63
1st number: 30/63, 2nd number: 1 6/10
30/63 - 16/10 is -118/105.
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,
30/63 = 30 × 10/63 × 10 = 300/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
16/10 = 16 × 63/10 × 63 = 1008/630 - Subtract the two like fractions:
300/630 - 1008/630 = 300 - 1008/630 = -708/630 - After reducing the fraction, the answer is -118/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63-16/10 30/63-32/10 30/63-16/20 90/63-16/10 30/63-48/10 30/63-16/30 30/63-80/10 30/63-16/50 30/63-16/70