Subtract 7/63 from 10/80
10/80 - 7/63 is 1/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
10/80 = 10 × 63/80 × 63 = 630/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
7/63 = 7 × 80/63 × 80 = 560/5040 - Subtract the two like fractions:
630/5040 - 560/5040 = 630 - 560/5040 = 70/5040 - After reducing the fraction, the answer is 1/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80-7/63 10/80-14/63 30/80-7/63 10/80-21/63 50/80-7/63 10/80-35/63 70/80-7/63 10/80-49/63