Add 18/9 and 16/70
1st number: 2 0/9, 2nd number: 16/70
18/9 + 16/70 is 78/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
18/9 = 18 × 70/9 × 70 = 1260/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
16/70 = 16 × 9/70 × 9 = 144/630 - Add the two like fractions:
1260/630 + 144/630 = 1260 + 144/630 = 1404/630 - 1404/630 simplified gives 78/35
- So, 18/9 + 16/70 = 78/35
In mixed form: 28/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+16/70 18/9+32/70 54/9+16/70 18/9+48/70 18/27+16/70 90/9+16/70 18/9+80/70 18/45+16/70 18/63+16/70