Subtract 27/90 from 63/8
1st number: 7 7/8, 2nd number: 27/90
63/8 - 27/90 is 303/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
63/8 = 63 × 45/8 × 45 = 2835/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
27/90 = 27 × 4/90 × 4 = 108/360 - Subtract the two like fractions:
2835/360 - 108/360 = 2835 - 108/360 = 2727/360 - After reducing the fraction, the answer is 303/40
- In mixed form: 723/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-54/90 63/16-27/90 63/8-81/90 63/24-27/90 63/40-27/90 63/56-27/90