Add 70/5 and 3/18
1st number: 14 0/5, 2nd number: 3/18
70/5 + 3/18 is 85/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
70/5 = 70 × 18/5 × 18 = 1260/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Add the two like fractions:
1260/90 + 15/90 = 1260 + 15/90 = 1275/90 - 1275/90 simplified gives 85/6
- So, 70/5 + 3/18 = 85/6
In mixed form: 141/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/5+6/18 70/10+3/18 70/5+3/36 70/5+9/18 70/15+3/18 70/5+3/54 70/5+15/18 70/25+3/18 70/5+3/90 70/5+21/18 70/35+3/18