Subtract 72/40 from 24/14
1st number: 1 10/14, 2nd number: 1 32/40
24/14 - 72/40 is -3/35.
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,
24/14 = 24 × 20/14 × 20 = 480/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
72/40 = 72 × 7/40 × 7 = 504/280 - Subtract the two like fractions:
480/280 - 504/280 = 480 - 504/280 = -24/280 - After reducing the fraction, the answer is -3/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/14-72/40 24/28-72/40 24/14-72/80 72/14-72/40 24/42-72/40 24/70-72/40 24/98-72/40