Add 14/21 and 5/72
14/21 + 5/72 is 53/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 21 × 24 = 504,
14/21 = 14 × 24/21 × 24 = 336/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504 - Add the two like fractions:
336/504 + 35/504 = 336 + 35/504 = 371/504 - 371/504 simplified gives 53/72
- So, 14/21 + 5/72 = 53/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+5/72 14/21+10/72 14/42+5/72 42/21+5/72 14/21+15/72 14/63+5/72 70/21+5/72 14/21+25/72 98/21+5/72 14/21+35/72