Subtract 3/8 from 63/5
1st number: 12 3/5, 2nd number: 3/8
63/5 - 3/8 is 489/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
63/5 = 63 × 8/5 × 8 = 504/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
3/8 = 3 × 5/8 × 5 = 15/40 - Subtract the two like fractions:
504/40 - 15/40 = 504 - 15/40 = 489/40 - In mixed form: 129/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/5-6/8 63/10-3/8 63/5-3/16 63/5-9/8 63/15-3/8 63/5-3/24 63/5-15/8 63/25-3/8 63/5-3/40 63/5-21/8 63/35-3/8 63/5-3/56