Add 72/2 and 70/9
1st number: 36 0/2, 2nd number: 7 7/9
72/2 + 70/9 is 394/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
72/2 = 72 × 9/2 × 9 = 648/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
70/9 = 70 × 2/9 × 2 = 140/18 - Add the two like fractions:
648/18 + 140/18 = 648 + 140/18 = 788/18 - 788/18 simplified gives 394/9
- So, 72/2 + 70/9 = 394/9
In mixed form: 437/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+70/9 72/2+70/18 72/6+70/9 72/2+70/27 72/10+70/9 72/2+70/45 72/14+70/9 72/2+70/63