Subtract 84/7 from 63/6
1st number: 10 3/6, 2nd number: 12 0/7
63/6 - 84/7 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
63/6 = 63 × 7/6 × 7 = 441/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
84/7 = 84 × 6/7 × 6 = 504/42 - Subtract the two like fractions:
441/42 - 504/42 = 441 - 504/42 = -63/42 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-84/7 63/6-84/14 63/18-84/7 63/6-84/21 63/30-84/7 63/6-84/35 63/42-84/7 63/6-84/49