Subtract 90/7 from 63/48
1st number: 1 15/48, 2nd number: 12 6/7
63/48 - 90/7 is -1293/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
63/48 = 63 × 7/48 × 7 = 441/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
90/7 = 90 × 48/7 × 48 = 4320/336 - Subtract the two like fractions:
441/336 - 4320/336 = 441 - 4320/336 = -3879/336 - After reducing the fraction, the answer is -1293/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/96-90/7 63/48-90/14 63/48-90/21 63/48-90/35 63/48-90/49