Subtract 8/63 from 40/30
1st number: 1 10/30, 2nd number: 8/63
40/30 - 8/63 is 76/63.
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,
40/30 = 40 × 21/30 × 21 = 840/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
8/63 = 8 × 10/63 × 10 = 80/630 - Subtract the two like fractions:
840/630 - 80/630 = 840 - 80/630 = 760/630 - After reducing the fraction, the answer is 76/63
- In mixed form: 113/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-8/63 40/30-16/63 40/60-8/63 40/30-24/63 40/90-8/63 40/30-40/63 40/30-56/63