Subtract 20/14 from 30/4
1st number: 7 2/4, 2nd number: 1 6/14
30/4 - 20/14 is 85/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
30/4 = 30 × 7/4 × 7 = 210/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
20/14 = 20 × 2/14 × 2 = 40/28 - Subtract the two like fractions:
210/28 - 40/28 = 210 - 40/28 = 170/28 - After reducing the fraction, the answer is 85/14
- In mixed form: 61/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-20/14 30/4-40/14 30/8-20/14 30/4-20/28 90/4-20/14 30/4-60/14 30/12-20/14 30/4-20/42 30/20-20/14 30/4-20/70 30/28-20/14 30/4-20/98