Add 15/72 and 20/14
1st number: 15/72, 2nd number: 1 6/14
15/72 + 20/14 is 275/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
20/14 = 20 × 36/14 × 36 = 720/504 - Add the two like fractions:
105/504 + 720/504 = 105 + 720/504 = 825/504 - 825/504 simplified gives 275/168
- So, 15/72 + 20/14 = 275/168
In mixed form: 1107/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72+20/14 15/72+40/14 15/72+20/28 45/72+20/14 15/72+60/14 15/72+20/42 75/72+20/14 15/72+20/70 15/72+20/98