Subtract 2/80 from 15/63
15/63 - 2/80 is 179/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
15/63 = 15 × 80/63 × 80 = 1200/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
2/80 = 2 × 63/80 × 63 = 126/5040 - Subtract the two like fractions:
1200/5040 - 126/5040 = 1200 - 126/5040 = 1074/5040 - After reducing the fraction, the answer is 179/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63-2/80 15/63-4/80 45/63-2/80 15/63-6/80 75/63-2/80 15/63-10/80 15/63-14/80