Add 5/70 and 18/3
1st number: 5/70, 2nd number: 6 0/3
5/70 + 18/3 is 85/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
5/70 = 5 × 3/70 × 3 = 15/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
18/3 = 18 × 70/3 × 70 = 1260/210 - Add the two like fractions:
15/210 + 1260/210 = 15 + 1260/210 = 1275/210 - 1275/210 simplified gives 85/14
- So, 5/70 + 18/3 = 85/14
In mixed form: 61/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+18/3 5/70+36/3 5/70+18/6 15/70+18/3 5/70+54/3 5/70+18/9 25/70+18/3 5/70+90/3 5/70+18/15 35/70+18/3 5/70+18/21