Subtract 63/80 from 4/60
4/60 - 63/80 is -173/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
4/60 = 4 × 4/60 × 4 = 16/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Subtract the two like fractions:
16/240 - 189/240 = 16 - 189/240 = -173/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/60-63/80 12/60-63/80 20/60-63/80 28/60-63/80