Subtract 42/10 from 25/63
1st number: 25/63, 2nd number: 4 2/10
25/63 - 42/10 is -1198/315.
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,
25/63 = 25 × 10/63 × 10 = 250/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
42/10 = 42 × 63/10 × 63 = 2646/630 - Subtract the two like fractions:
250/630 - 2646/630 = 250 - 2646/630 = -2396/630 - After reducing the fraction, the answer is -1198/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/63-42/10 25/63-84/10 25/63-42/20 75/63-42/10 25/63-42/30 25/63-42/50 25/63-42/70