Subtract 14/63 from 5/40
5/40 - 14/63 is -7/72.
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,
5/40 = 5 × 63/40 × 63 = 315/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
14/63 = 14 × 40/63 × 40 = 560/2520 - Subtract the two like fractions:
315/2520 - 560/2520 = 315 - 560/2520 = -245/2520 - After reducing the fraction, the answer is -7/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-14/63 5/40-28/63 5/80-14/63 15/40-14/63 5/40-42/63 25/40-14/63 5/40-70/63 35/40-14/63 5/40-98/63