Subtract 20/28 from 63/8
1st number: 7 7/8, 2nd number: 20/28
63/8 - 20/28 is 401/56.
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,
20/28 = 20 × 2/28 × 2 = 40/56 - Subtract the two like fractions:
441/56 - 40/56 = 441 - 40/56 = 401/56 - In mixed form: 79/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-40/28 63/16-20/28 63/8-20/56 63/8-60/28 63/24-20/28 63/8-20/84 63/40-20/28 63/56-20/28