Subtract 63/80 from 3/5
3/5 - 63/80 is -3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
3/5 = 3 × 16/5 × 16 = 48/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Subtract the two like fractions:
48/80 - 63/80 = 48 - 63/80 = -15/80 - After reducing the fraction, the answer is -3/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-63/80 3/10-63/80 9/5-63/80 3/15-63/80 15/5-63/80 3/25-63/80 21/5-63/80 3/35-63/80