Subtract 18/28 from 63/8
1st number: 7 7/8, 2nd number: 18/28
63/8 - 18/28 is 405/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
63/8 = 63 × 7/8 × 7 = 441/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Subtract the two like fractions:
441/56 - 36/56 = 441 - 36/56 = 405/56 - In mixed form: 713/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-36/28 63/16-18/28 63/8-18/56 63/8-54/28 63/24-18/28 63/8-18/84 63/8-90/28 63/40-18/28 63/56-18/28