Subtract 1/72 from 14/40
14/40 - 1/72 is 121/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
14/40 = 14 × 9/40 × 9 = 126/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Subtract the two like fractions:
126/360 - 5/360 = 126 - 5/360 = 121/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/40-1/72 14/40-2/72 14/80-1/72 42/40-1/72 14/40-3/72 70/40-1/72 14/40-5/72 98/40-1/72 14/40-7/72