Subtract 40/9 from 50/63
1st number: 50/63, 2nd number: 4 4/9
50/63 - 40/9 is -230/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
50/63 = 50 × 1/63 × 1 = 50/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
40/9 = 40 × 7/9 × 7 = 280/63 - Subtract the two like fractions:
50/63 - 280/63 = 50 - 280/63 = -230/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/63-80/9 50/63-40/18 50/63-40/27 50/63-40/45 50/63-40/63