Add 70/72 and 80/14
1st number: 70/72, 2nd number: 5 10/14
70/72 + 80/14 is 1685/252.
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,
70/72 = 70 × 7/72 × 7 = 490/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
80/14 = 80 × 36/14 × 36 = 2880/504 - Add the two like fractions:
490/504 + 2880/504 = 490 + 2880/504 = 3370/504 - 3370/504 simplified gives 1685/252
- So, 70/72 + 80/14 = 1685/252
In mixed form: 6173/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+80/28 70/72+80/42 70/72+80/70 70/72+80/98