Subtract 49/63 from 35/80
35/80 - 49/63 is -49/144.
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,
35/80 = 35 × 63/80 × 63 = 2205/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
49/63 = 49 × 80/63 × 80 = 3920/5040 - Subtract the two like fractions:
2205/5040 - 3920/5040 = 2205 - 3920/5040 = -1715/5040 - After reducing the fraction, the answer is -49/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80-49/63 35/80-98/63