Subtract 18/25 from 63/8
1st number: 7 7/8, 2nd number: 18/25
63/8 - 18/25 is 1431/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
63/8 = 63 × 25/8 × 25 = 1575/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
18/25 = 18 × 8/25 × 8 = 144/200 - Subtract the two like fractions:
1575/200 - 144/200 = 1575 - 144/200 = 1431/200 - In mixed form: 731/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-36/25 63/16-18/25 63/8-18/50 63/8-54/25 63/24-18/25 63/8-18/75 63/8-90/25 63/40-18/25 63/56-18/25