Subtract 45/10 from 28/63
1st number: 28/63, 2nd number: 4 5/10
28/63 - 45/10 is -73/18.
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,
28/63 = 28 × 10/63 × 10 = 280/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
45/10 = 45 × 63/10 × 63 = 2835/630 - Subtract the two like fractions:
280/630 - 2835/630 = 280 - 2835/630 = -2555/630 - After reducing the fraction, the answer is -73/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-45/10 28/63-90/10 28/63-45/20 84/63-45/10 28/63-45/30 28/63-45/50 28/63-45/70