Subtract 80/18 from 63/8
1st number: 7 7/8, 2nd number: 4 8/18
63/8 - 80/18 is 247/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
63/8 = 63 × 9/8 × 9 = 567/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
80/18 = 80 × 4/18 × 4 = 320/72 - Subtract the two like fractions:
567/72 - 320/72 = 567 - 320/72 = 247/72 - In mixed form: 331/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16-80/18 63/8-80/36 63/24-80/18 63/8-80/54 63/40-80/18 63/8-80/90 63/56-80/18