Add 16/70 and 15/18
16/70 + 15/18 is 223/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
16/70 = 16 × 9/70 × 9 = 144/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
15/18 = 15 × 35/18 × 35 = 525/630 - Add the two like fractions:
144/630 + 525/630 = 144 + 525/630 = 669/630 - 669/630 simplified gives 223/210
- So, 16/70 + 15/18 = 223/210
In mixed form: 113/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70+15/18 16/70+30/18 16/70+15/36 48/70+15/18 16/70+45/18 16/70+15/54 80/70+15/18 16/70+75/18 16/70+15/90