Subtract 90/24 from 30/14
1st number: 2 2/14, 2nd number: 3 18/24
30/14 - 90/24 is -45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 14 × 12 = 168,
30/14 = 30 × 12/14 × 12 = 360/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
90/24 = 90 × 7/24 × 7 = 630/168 - Subtract the two like fractions:
360/168 - 630/168 = 360 - 630/168 = -270/168 - After reducing the fraction, the answer is -45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-90/24 30/28-90/24 30/14-90/48 90/14-90/24 30/42-90/24 30/14-90/72 30/70-90/24 30/98-90/24