Subtract 3/6 from 90/42
1st number: 2 6/42, 2nd number: 3/6
90/42 - 3/6 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
90/42 = 90 × 1/42 × 1 = 90/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
3/6 = 3 × 7/6 × 7 = 21/42 - Subtract the two like fractions:
90/42 - 21/42 = 90 - 21/42 = 69/42 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84-3/6 90/42-3/12 90/42-9/6 90/42-3/18 90/42-15/6 90/42-3/30 90/42-21/6 90/42-3/42