Subtract 14/45 from 27/80
2780 - 1445 is 19720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
2780 = 27 × 980 × 9 = 243720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
1445 = 14 × 1645 × 16 = 224720 - Subtract the two like fractions:
243720 - 224720 = 243 - 224720 = 19720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80-14/45 27/80-28/45 27/80-14/90 81/80-14/45 27/80-42/45 27/80-70/45 27/80-98/45