Subtract 90/42 from 63/6
1st number: 10 3/6, 2nd number: 2 6/42
63/6 - 90/42 is 117/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 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 42 × 1 = 42,
90/42 = 90 × 1/42 × 1 = 90/42 - Subtract the two like fractions:
441/42 - 90/42 = 441 - 90/42 = 351/42 - After reducing the fraction, the answer is 117/14
- In mixed form: 85/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-90/42 63/6-90/84 63/18-90/42 63/30-90/42 63/42-90/42