Subtract 63/90 from 48/7
1st number: 6 6/7, 2nd number: 63/90
48/7 - 63/90 is 431/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
48/7 = 48 × 90/7 × 90 = 4320/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Subtract the two like fractions:
4320/630 - 441/630 = 4320 - 441/630 = 3879/630 - After reducing the fraction, the answer is 431/70
- In mixed form: 611/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/7-63/90 48/14-63/90 48/21-63/90 48/35-63/90 48/49-63/90