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