Subtract 40/14 from 16/30
1st number: 16/30, 2nd number: 2 12/14
16/30 - 40/14 is -244/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
16/30 = 16 × 7/30 × 7 = 112/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
40/14 = 40 × 15/14 × 15 = 600/210 - Subtract the two like fractions:
112/210 - 600/210 = 112 - 600/210 = -488/210 - After reducing the fraction, the answer is -244/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30-40/14 16/30-80/14 16/60-40/14 16/30-40/28 48/30-40/14 16/90-40/14 16/30-40/42 80/30-40/14 16/30-40/70 16/30-40/98