Add 70/14 and 40/72
1st number: 5 0/14, 2nd number: 40/72
70/14 + 40/72 is 50/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
70/14 = 70 × 36/14 × 36 = 2520/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
40/72 = 40 × 7/72 × 7 = 280/504 - Add the two like fractions:
2520/504 + 280/504 = 2520 + 280/504 = 2800/504 - 2800/504 simplified gives 50/9
- So, 70/14 + 40/72 = 50/9
In mixed form: 55/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+80/72 70/28+40/72 70/42+40/72 70/98+40/72