Subtract 40/7 from 16/63
1st number: 16/63, 2nd number: 5 5/7
16/63 - 40/7 is -344/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
16/63 = 16 × 1/63 × 1 = 16/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
40/7 = 40 × 9/7 × 9 = 360/63 - Subtract the two like fractions:
16/63 - 360/63 = 16 - 360/63 = -344/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/63-40/7 16/63-80/7 16/63-40/14 48/63-40/7 16/63-40/21 80/63-40/7 16/63-40/35 16/63-40/49