Subtract 63/8 from 40/25
1st number: 1 15/25, 2nd number: 7 7/8
40/25 - 63/8 is -251/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
40/25 = 40 × 8/25 × 8 = 320/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
63/8 = 63 × 25/8 × 25 = 1575/200 - Subtract the two like fractions:
320/200 - 1575/200 = 320 - 1575/200 = -1255/200 - After reducing the fraction, the answer is -251/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25-63/8 40/50-63/8 40/25-63/16 40/75-63/8 40/25-63/24 40/25-63/40 40/25-63/56