Subtract 54/10 from 63/8
1st number: 7 7/8, 2nd number: 5 4/10
63/8 - 54/10 is 99/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
63/8 = 63 × 5/8 × 5 = 315/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
54/10 = 54 × 4/10 × 4 = 216/40 - Subtract the two like fractions:
315/40 - 216/40 = 315 - 216/40 = 99/40 - In mixed form: 219/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16-54/10 63/8-54/20 63/24-54/10 63/8-54/30 63/40-54/10 63/8-54/50 63/56-54/10 63/8-54/70