Subtract 49/63 from 28/10
1st number: 2 8/10, 2nd number: 49/63
28/10 - 49/63 is 91/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
28/10 = 28 × 63/10 × 63 = 1764/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
49/63 = 49 × 10/63 × 10 = 490/630 - Subtract the two like fractions:
1764/630 - 490/630 = 1764 - 490/630 = 1274/630 - After reducing the fraction, the answer is 91/45
- In mixed form: 21/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-49/63 28/10-98/63 28/20-49/63 84/10-49/63 28/30-49/63 28/50-49/63 28/70-49/63