Subtract 40/14 from 30/5
1st number: 6 0/5, 2nd number: 2 12/14
30/5 - 40/14 is 22/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
30/5 = 30 × 14/5 × 14 = 420/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
40/14 = 40 × 5/14 × 5 = 200/70 - Subtract the two like fractions:
420/70 - 200/70 = 420 - 200/70 = 220/70 - After reducing the fraction, the answer is 22/7
- In mixed form: 31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-40/14 30/5-80/14 30/10-40/14 30/5-40/28 90/5-40/14 30/15-40/14 30/5-40/42 30/25-40/14 30/5-40/70 30/35-40/14 30/5-40/98