Subtract 6/24 from 90/42
1st number: 2 6/42, 2nd number: 6/24
90/42 - 6/24 is 53/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
90/42 = 90 × 4/42 × 4 = 360/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
6/24 = 6 × 7/24 × 7 = 42/168 - Subtract the two like fractions:
360/168 - 42/168 = 360 - 42/168 = 318/168 - After reducing the fraction, the answer is 53/28
- In mixed form: 125/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42-12/24 90/84-6/24 90/42-6/48 90/42-18/24 90/42-6/72 90/42-30/24 90/42-42/24