Subtract 4/72 from 14/45
14/45 - 4/72 is 23/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
14/45 = 14 × 8/45 × 8 = 112/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Subtract the two like fractions:
112/360 - 20/360 = 112 - 20/360 = 92/360 - After reducing the fraction, the answer is 23/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/45-4/72 14/45-8/72 14/90-4/72 42/45-4/72 14/45-12/72 70/45-4/72 14/45-20/72 98/45-4/72 14/45-28/72