Subtract 21/63 from 35/30
1st number: 1 5/30, 2nd number: 21/63
35/30 - 21/63 is 5/6.
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,
35/30 = 35 × 21/30 × 21 = 735/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
21/63 = 21 × 10/63 × 10 = 210/630 - Subtract the two like fractions:
735/630 - 210/630 = 735 - 210/630 = 525/630 - After reducing the fraction, the answer is 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-21/63 35/30-42/63 35/60-21/63 35/90-21/63