Add 35/70 and 72/9
1st number: 35/70, 2nd number: 8 0/9
35/70 + 72/9 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
72/9 = 72 × 70/9 × 70 = 5040/630 - Add the two like fractions:
315/630 + 5040/630 = 315 + 5040/630 = 5355/630 - 5355/630 simplified gives 17/2
- So, 35/70 + 72/9 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 35/70+72/18 35/70+72/27 35/70+72/45 35/70+72/63