Subtract 10/63 from 28/30
28/30 - 10/63 is 244/315.
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,
28/30 = 28 × 21/30 × 21 = 588/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
10/63 = 10 × 10/63 × 10 = 100/630 - Subtract the two like fractions:
588/630 - 100/630 = 588 - 100/630 = 488/630 - After reducing the fraction, the answer is 244/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-10/63 28/30-20/63 28/60-10/63 84/30-10/63 28/30-30/63 28/90-10/63 28/30-50/63 28/30-70/63