Subtract 30/28 from 40/14
1st number: 2 12/14, 2nd number: 1 2/28
40/14 - 30/28 is 25/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
40/14 = 40 × 2/14 × 2 = 80/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
30/28 = 30 × 1/28 × 1 = 30/28 - Subtract the two like fractions:
80/28 - 30/28 = 80 - 30/28 = 50/28 - After reducing the fraction, the answer is 25/14
- In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-30/28 40/14-60/28 40/28-30/28 40/14-30/56 40/14-90/28 40/42-30/28 40/14-30/84 40/70-30/28 40/98-30/28