Subtract 9/40 from 30/14
1st number: 2 2/14, 2nd number: 9/40
30/14 - 9/40 is 537/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
30/14 = 30 × 20/14 × 20 = 600/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280 - Subtract the two like fractions:
600/280 - 63/280 = 600 - 63/280 = 537/280 - In mixed form: 1257/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-9/40 30/14-18/40 30/28-9/40 30/14-9/80 90/14-9/40 30/14-27/40 30/42-9/40 30/14-45/40 30/70-9/40 30/14-63/40 30/98-9/40