Subtract 63/8 from 28/60
1st number: 28/60, 2nd number: 7 7/8
28/60 - 63/8 is -889/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
28/60 = 28 × 2/60 × 2 = 56/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
63/8 = 63 × 15/8 × 15 = 945/120 - Subtract the two like fractions:
56/120 - 945/120 = 56 - 945/120 = -889/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60-63/8 28/60-63/16 84/60-63/8 28/60-63/24 28/60-63/40 28/60-63/56