Subtract 7/40 from 4/63
4/63 - 7/40 is -281/2520.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
4/63 = 4 × 40/63 × 40 = 160/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
7/40 = 7 × 63/40 × 63 = 441/2520 - Subtract the two like fractions:
160/2520 - 441/2520 = 160 - 441/2520 = -281/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63-7/40 4/63-14/40 4/63-7/80 12/63-7/40 4/63-21/40 20/63-7/40 4/63-35/40 28/63-7/40 4/63-49/40